From Dave.Martin at arm.com  Tue Jul  1 06:55:53 2025
From: Dave.Martin at arm.com (Dave Martin)
Date: Tue,  1 Jul 2025 14:55:53 +0100
Subject: [PATCH 00/23] binfmt_elf,arch/*: Use elf.h for coredump note names
Message-ID: <20250701135616.29630-1-Dave.Martin@arm.com>

This series aims to clean up an aspect of coredump generation:

ELF coredumps contain a set of notes describing the state of machine
registers and other information about the dumped process.

Notes are identified by a numeric identifier n_type and a "name"
string, although this terminology is somewhat misleading.  Officially,
the "name" of a note is really an "originator" or namespace identifier
that indicates how to interpret n_type [1], although in practice it is
often used more loosely.

Either way, each kind of note needs _both_ a specific "name" string and
a specific n_type to identify it robustly.

To centralise this knowledge in one place and avoid the need for ad-hoc
code to guess the correct name for a given note, commit 7da8e4ad4df0
("elf: Define note name macros") [2] added an explicit NN_<foo> #define
in elf.h to give the name corresponding to each named note type
NT_<foo>.

Now that the note name for each note is specified explicitly, the
remaining guesswork for determining the note name for common and
arch-specific regsets in ELF core dumps can be eliminated.

This series aims to do just that:

 * Patch 2 adds a user_regset field to specify the note name, and a
   helper macro to populate it correctly alongside the note type.

 * Patch 3 ports away the ad-hoc note names in the common coredump
   code.

 * Patches 4-22 make the arch-specific changes.  (This is pretty
   mechanical for most arches.)

 * The final patch adds a WARN() when no note name is specified,
   and simplifies the fallback guess.  This should only be applied
   when all arches have ported across.

See the individual patches for details.


Testing:

 * x86, arm64: Booted in a VM and triggered a core dump with no WARN(),
   and verified that the dumped notes are the same.

 * arm: Build-tested only (for now).

 * Other arches: not tested yet

Any help with testing is appreciated.  If the following generates the
same notes (as dumped by readelf -n core) and doesn't trigger a WARN,
then we are probably good.

$ sleep 60 &
$ kill -QUIT $!

(Register content might differ between runs, but it should be safe to
ignore that -- this series only deals with the note names and types.)

Cheers
---Dave


[1] System V Application Binary Interface, Edition 4.1,
Section 5 (Program Loading and Dynamic Linking) -> "Note Section"

https://refspecs.linuxfoundation.org/elf/gabi41.pdf

[2] elf: Define note name macros

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/uapi/linux/elf.h?id=7da8e4ad4df0dd12f37357af62ce1b63e75ae2e6


Dave Martin (23):
  regset: Fix kerneldoc for struct regset_get() in user_regset
  regset: Add explicit core note name in struct user_regset
  binfmt_elf: Dump non-arch notes with strictly matching name and type
  ARC: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  ARM: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  arm64: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  csky: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  hexagon: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  LoongArch: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  m68k: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  MIPS: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  nios2: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  openrisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  parisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  powerpc/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  riscv: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  s390/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  sh: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  sparc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  x86/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  um: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
  xtensa: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
    names
  binfmt_elf: Warn on missing or suspicious regset note names

 arch/arc/kernel/ptrace.c                 |  4 +-
 arch/arm/kernel/ptrace.c                 |  6 +-
 arch/arm64/kernel/ptrace.c               | 52 ++++++++---------
 arch/csky/kernel/ptrace.c                |  4 +-
 arch/hexagon/kernel/ptrace.c             |  2 +-
 arch/loongarch/kernel/ptrace.c           | 16 ++---
 arch/m68k/kernel/ptrace.c                |  4 +-
 arch/mips/kernel/ptrace.c                | 20 +++----
 arch/nios2/kernel/ptrace.c               |  2 +-
 arch/openrisc/kernel/ptrace.c            |  4 +-
 arch/parisc/kernel/ptrace.c              |  8 +--
 arch/powerpc/kernel/ptrace/ptrace-view.c | 74 ++++++++++++------------
 arch/riscv/kernel/ptrace.c               | 12 ++--
 arch/s390/kernel/ptrace.c                | 42 +++++++-------
 arch/sh/kernel/ptrace_32.c               |  4 +-
 arch/sparc/kernel/ptrace_32.c            |  4 +-
 arch/sparc/kernel/ptrace_64.c            |  8 +--
 arch/x86/kernel/ptrace.c                 | 22 +++----
 arch/x86/um/ptrace.c                     | 10 ++--
 arch/xtensa/kernel/ptrace.c              |  4 +-
 fs/binfmt_elf.c                          | 36 +++++++-----
 fs/binfmt_elf_fdpic.c                    | 17 +++---
 include/linux/regset.h                   | 12 +++-
 23 files changed, 194 insertions(+), 173 deletions(-)


base-commit: 86731a2a651e58953fc949573895f2fa6d456841
-- 
2.34.1



From Dave.Martin at arm.com  Tue Jul  1 06:55:57 2025
From: Dave.Martin at arm.com (Dave Martin)
Date: Tue,  1 Jul 2025 14:55:57 +0100
Subject: [PATCH 04/23] ARC: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
In-Reply-To: <20250701135616.29630-1-Dave.Martin@arm.com>
References: <20250701135616.29630-1-Dave.Martin@arm.com>
Message-ID: <20250701135616.29630-5-Dave.Martin@arm.com>

Instead of having the core code guess the note name for each regset,
use USER_REGSET_NOTE_TYPE() to pick the correct name from elf.h.

Signed-off-by: Dave Martin <Dave.Martin at arm.com>
Cc: Vineet Gupta <vgupta at kernel.org>
Cc: Oleg Nesterov <oleg at redhat.com>
Cc: Kees Cook <kees at kernel.org>
Cc: Akihiko Odaki <akihiko.odaki at daynix.com>
Cc: linux-snps-arc at lists.infradead.org
---
 arch/arc/kernel/ptrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
index e0c233c178b1..cad5367b7c37 100644
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -284,7 +284,7 @@ enum arc_getset {
 
 static const struct user_regset arc_regsets[] = {
 	[REGSET_CMN] = {
-	       .core_note_type = NT_PRSTATUS,
+	       USER_REGSET_NOTE_TYPE(PRSTATUS),
 	       .n = ELF_NGREG,
 	       .size = sizeof(unsigned long),
 	       .align = sizeof(unsigned long),
@@ -293,7 +293,7 @@ static const struct user_regset arc_regsets[] = {
 	},
 #ifdef CONFIG_ISA_ARCV2
 	[REGSET_ARCV2] = {
-	       .core_note_type = NT_ARC_V2,
+	       USER_REGSET_NOTE_TYPE(ARC_V2),
 	       .n = ELF_ARCV2REG,
 	       .size = sizeof(unsigned long),
 	       .align = sizeof(unsigned long),
-- 
2.34.1



From adam.drzewiecki at successa.pl  Wed Jul  2 01:16:09 2025
From: adam.drzewiecki at successa.pl (Adam Drzewiecki)
Date: Wed,  2 Jul 2025 08:16:09 GMT
Subject: =?UTF-8?Q?Pytanie_o_samoch=C3=B3d_?=
Message-ID: <20250702084501-0.1.j4.20n8o.0.pad2z17vp3@successa.pl>

Dzie? dobry,

Czy interesuje Pa?stwa rozwi?zanie umo?liwiaj?ce monitorowanie samochod?w firmowych oraz optymalizacj? koszt?w ich utrzymania? 


Pozdrawiam
Adam Drzewiecki


From braker.noob.kernel at gmail.com  Sat Jul  5 00:30:44 2025
From: braker.noob.kernel at gmail.com (Rujra Bhatt)
Date: Sat, 5 Jul 2025 13:00:44 +0530
Subject: [PATCH] arc:kernel:perf_event.c : replaced sprintf with sysfs_emit()
Message-ID: <aGjUpI1yNjEhSiAq@brak3rDesk>

Replaced sprintf() with sysfs_emit() in sysfs*_show() function in
perf_event.c file to follow the kernel's guidlines from
documentation/filesystems/sysfs.rst
This will improve consistency, safety, and makes it easier to maintain
and update in future.

Signed-off-by: Rujra Bhatt <braker.noob.kernel at gmail.com>
---
 arch/arc/kernel/perf_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index ed6d4f0cd621..424ec072c441 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -648,7 +648,7 @@ static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
 	struct perf_pmu_events_attr *pmu_attr;
 
 	pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
-	return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
+	return sysfs_emit(page, "event=0x%04llx\n", pmu_attr->id);
 }
 
 /*
-- 
2.43.0



From marek.kucharski at fundixo.pl  Tue Jul  8 00:45:42 2025
From: marek.kucharski at fundixo.pl (Marek Kucharski)
Date: Tue,  8 Jul 2025 07:45:42 GMT
Subject: =?UTF-8?Q?Prosz=C4=99_o_kontakt?=
Message-ID: <20250708084500-0.1.gb.3chkv.0.rkpq0zac7y@CyberCitadel.pl>

Dzie? dobry,

Czy jest mo?liwo?? nawi?zania wsp??pracy z Pa?stwem?

Z ch?ci? porozmawiam z osob? zajmuj?c? si? dzia?aniami zwi?zanymi ze sprzeda??.

Pomagamy skutecznie pozyskiwa? nowych klient?w.

Zapraszam do kontaktu.


Pozdrawiam
Marek Kucharski


From odaki at rsg.ci.i.u-tokyo.ac.jp  Tue Jul  8 22:05:53 2025
From: odaki at rsg.ci.i.u-tokyo.ac.jp (Akihiko Odaki)
Date: Wed, 9 Jul 2025 14:05:53 +0900
Subject: [PATCH 00/23] binfmt_elf,arch/*: Use elf.h for coredump note
 names
In-Reply-To: <20250701135616.29630-1-Dave.Martin@arm.com>
References: <20250701135616.29630-1-Dave.Martin@arm.com>
Message-ID: <36c0213c-6b14-4ad2-969e-3d8e356bb680@rsg.ci.i.u-tokyo.ac.jp>

On 2025/07/01 22:55, Dave Martin wrote:
> This series aims to clean up an aspect of coredump generation:
> 
> ELF coredumps contain a set of notes describing the state of machine
> registers and other information about the dumped process.
> 
> Notes are identified by a numeric identifier n_type and a "name"
> string, although this terminology is somewhat misleading.  Officially,
> the "name" of a note is really an "originator" or namespace identifier
> that indicates how to interpret n_type [1], although in practice it is
> often used more loosely.
> 
> Either way, each kind of note needs _both_ a specific "name" string and
> a specific n_type to identify it robustly.
> 
> To centralise this knowledge in one place and avoid the need for ad-hoc
> code to guess the correct name for a given note, commit 7da8e4ad4df0
> ("elf: Define note name macros") [2] added an explicit NN_<foo> #define
> in elf.h to give the name corresponding to each named note type
> NT_<foo>.
> 
> Now that the note name for each note is specified explicitly, the
> remaining guesswork for determining the note name for common and
> arch-specific regsets in ELF core dumps can be eliminated.
> 
> This series aims to do just that:
> 
>   * Patch 2 adds a user_regset field to specify the note name, and a
>     helper macro to populate it correctly alongside the note type.
> 
>   * Patch 3 ports away the ad-hoc note names in the common coredump
>     code.
> 
>   * Patches 4-22 make the arch-specific changes.  (This is pretty
>     mechanical for most arches.)
> 
>   * The final patch adds a WARN() when no note name is specified,
>     and simplifies the fallback guess.  This should only be applied
>     when all arches have ported across.
> 
> See the individual patches for details.
> 
> 
> Testing:
> 
>   * x86, arm64: Booted in a VM and triggered a core dump with no WARN(),
>     and verified that the dumped notes are the same.
> 
>   * arm: Build-tested only (for now).
> 
>   * Other arches: not tested yet
> 
> Any help with testing is appreciated.  If the following generates the
> same notes (as dumped by readelf -n core) and doesn't trigger a WARN,
> then we are probably good.
> 
> $ sleep 60 &
> $ kill -QUIT $!
> 
> (Register content might differ between runs, but it should be safe to
> ignore that -- this series only deals with the note names and types.)
> 
> Cheers
> ---Dave
> 
> 
> [1] System V Application Binary Interface, Edition 4.1,
> Section 5 (Program Loading and Dynamic Linking) -> "Note Section"
> 
> https://refspecs.linuxfoundation.org/elf/gabi41.pdf
> 
> [2] elf: Define note name macros
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/uapi/linux/elf.h?id=7da8e4ad4df0dd12f37357af62ce1b63e75ae2e6
> 
> 
> Dave Martin (23):
>    regset: Fix kerneldoc for struct regset_get() in user_regset
>    regset: Add explicit core note name in struct user_regset
>    binfmt_elf: Dump non-arch notes with strictly matching name and type
>    ARC: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    ARM: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    arm64: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    csky: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    hexagon: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    LoongArch: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    m68k: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    MIPS: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    nios2: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    openrisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    parisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    powerpc/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    riscv: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    s390/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    sh: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    sparc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    x86/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    um: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
>    xtensa: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note
>      names
>    binfmt_elf: Warn on missing or suspicious regset note names
> 
>   arch/arc/kernel/ptrace.c                 |  4 +-
>   arch/arm/kernel/ptrace.c                 |  6 +-
>   arch/arm64/kernel/ptrace.c               | 52 ++++++++---------
>   arch/csky/kernel/ptrace.c                |  4 +-
>   arch/hexagon/kernel/ptrace.c             |  2 +-
>   arch/loongarch/kernel/ptrace.c           | 16 ++---
>   arch/m68k/kernel/ptrace.c                |  4 +-
>   arch/mips/kernel/ptrace.c                | 20 +++----
>   arch/nios2/kernel/ptrace.c               |  2 +-
>   arch/openrisc/kernel/ptrace.c            |  4 +-
>   arch/parisc/kernel/ptrace.c              |  8 +--
>   arch/powerpc/kernel/ptrace/ptrace-view.c | 74 ++++++++++++------------
>   arch/riscv/kernel/ptrace.c               | 12 ++--
>   arch/s390/kernel/ptrace.c                | 42 +++++++-------
>   arch/sh/kernel/ptrace_32.c               |  4 +-
>   arch/sparc/kernel/ptrace_32.c            |  4 +-
>   arch/sparc/kernel/ptrace_64.c            |  8 +--
>   arch/x86/kernel/ptrace.c                 | 22 +++----
>   arch/x86/um/ptrace.c                     | 10 ++--
>   arch/xtensa/kernel/ptrace.c              |  4 +-
>   fs/binfmt_elf.c                          | 36 +++++++-----
>   fs/binfmt_elf_fdpic.c                    | 17 +++---
>   include/linux/regset.h                   | 12 +++-
>   23 files changed, 194 insertions(+), 173 deletions(-)
> 
> 
> base-commit: 86731a2a651e58953fc949573895f2fa6d456841

For the whole series:
Reviewed-by: Akihiko Odaki <odaki at rsg.ci.i.u-tokyo.ac.jp>

Regards,
Akihiko Odaki


From wiktoria.bielaszka at bizovo.pl  Wed Jul  9 00:31:04 2025
From: wiktoria.bielaszka at bizovo.pl (Wiktoria Bielaszka)
Date: Wed,  9 Jul 2025 07:31:04 GMT
Subject: =?UTF-8?Q?Zamro=C5=BCenie_ceny_energii?=
Message-ID: <20250709084500-0.1.8v.19dga.0.7qu4bfj5fl@bizovo.pl>

Dzie? dobry, 

czy planuj? Pa?stwo optymalizacj? koszt?w energii elektrycznej w swojej firmie?

Chcieliby?my przedstawi? nasz? ofert? XPOT, kt?ra mo?e przynie?? znacz?ce oszcz?dno?ci. Ju? od teraz, mog? Pa?stwo uzyska? cen? ni?sz? o 40,9% w stosunku do obecnej ceny ustawowej. 

Nasza propozycja obejmuje lata 2025 i 2026, a start wsp??pracy jest mo?liwy od zaraz. Gwarantujemy elastyczne warunki umowy (3-6-9-12 miesi?cy), zapewniaj?c minimum formalno?ci.

Jeste?my pionierem w sprzeda?y energii w cenach RDN wed?ug TGE dla ka?dej grupy taryfowej. Przez ca?y okres trwania umowy zapewniamy Pa?stwu dedykowanego opiekuna, a ca?y proces Zmiany Sprzedawcy i wszelkie formalno?ci realizujemy za Klient?w.  

Ch?tnie porozmawiam o tym, jak mo?emy wsp?lnie zrealizowa? Pa?stwa cele energetyczne. Prosz? o wiadomo?? w przypadku zainteresowania. 


Z pozdrowieniami
Wiktoria Bielaszka


From kees at kernel.org  Mon Jul 14 22:37:11 2025
From: kees at kernel.org (Kees Cook)
Date: Mon, 14 Jul 2025 22:37:11 -0700
Subject: [PATCH 00/23] binfmt_elf,arch/*: Use elf.h for coredump note names
In-Reply-To: <20250701135616.29630-1-Dave.Martin@arm.com>
References: <20250701135616.29630-1-Dave.Martin@arm.com>
Message-ID: <175255782864.3413694.2008555655056311560.b4-ty@kernel.org>

On Tue, 01 Jul 2025 14:55:53 +0100, Dave Martin wrote:
> This series aims to clean up an aspect of coredump generation:
> 
> ELF coredumps contain a set of notes describing the state of machine
> registers and other information about the dumped process.
> 
> Notes are identified by a numeric identifier n_type and a "name"
> string, although this terminology is somewhat misleading.  Officially,
> the "name" of a note is really an "originator" or namespace identifier
> that indicates how to interpret n_type [1], although in practice it is
> often used more loosely.
> 
> [...]

Applied to for-next/execve, thanks!

[01/23] regset: Fix kerneldoc for struct regset_get() in user_regset
        https://git.kernel.org/kees/c/6fd9e1aa0784
[02/23] regset: Add explicit core note name in struct user_regset
        https://git.kernel.org/kees/c/85a7f9cbf8a8
[03/23] binfmt_elf: Dump non-arch notes with strictly matching name and type
        https://git.kernel.org/kees/c/9674a1be4dd5
[04/23] ARC: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/237dc8d79627
[05/23] ARM: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/49b849d11cd1
[06/23] arm64: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/87b0d081dc98
[07/23] csky: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/2c2fb861fc59
[08/23] hexagon: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/55821111b1b3
[09/23] LoongArch: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/1260e3b13584
[10/23] m68k: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/e572168e8d2a
[11/23] MIPS: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/18bd88faa246
[12/23] nios2: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/8368cd0e4636
[13/23] openrisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/10cd957a895f
[14/23] parisc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/92acdd819b5d
[15/23] powerpc/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/307035acefbd
[16/23] riscv: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/c9502cc7bef5
[17/23] s390/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/d6a883cb40fc
[18/23] sh: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/afe74eecd88f
[19/23] sparc: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/c9d4cb25e94e
[20/23] x86/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/3de0414dec7b
[21/23] um: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/40d3a88594b5
[22/23] xtensa: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
        https://git.kernel.org/kees/c/cb32fb722f4b
[23/23] binfmt_elf: Warn on missing or suspicious regset note names
        https://git.kernel.org/kees/c/a55128d392e8

Take care,

-- 
Kees Cook



From Dave.Martin at arm.com  Tue Jul 15 03:32:47 2025
From: Dave.Martin at arm.com (Dave Martin)
Date: Tue, 15 Jul 2025 11:32:47 +0100
Subject: [PATCH 00/23] binfmt_elf,arch/*: Use elf.h for coredump note
 names
In-Reply-To: <175255782864.3413694.2008555655056311560.b4-ty@kernel.org>
References: <20250701135616.29630-1-Dave.Martin@arm.com>
 <175255782864.3413694.2008555655056311560.b4-ty@kernel.org>
Message-ID: <aHYuT0SxX65tAEp3@e133380.arm.com>

On Mon, Jul 14, 2025 at 10:37:11PM -0700, Kees Cook wrote:
> On Tue, 01 Jul 2025 14:55:53 +0100, Dave Martin wrote:
> > This series aims to clean up an aspect of coredump generation:
> > 
> > ELF coredumps contain a set of notes describing the state of machine
> > registers and other information about the dumped process.
> > 
> > Notes are identified by a numeric identifier n_type and a "name"
> > string, although this terminology is somewhat misleading.  Officially,
> > the "name" of a note is really an "originator" or namespace identifier
> > that indicates how to interpret n_type [1], although in practice it is
> > often used more loosely.
> > 
> > [...]
> 
> Applied to for-next/execve, thanks!
> 
> [01/23] regset: Fix kerneldoc for struct regset_get() in user_regset
>         https://git.kernel.org/kees/c/6fd9e1aa0784

[...]

> [23/23] binfmt_elf: Warn on missing or suspicious regset note names
>         https://git.kernel.org/kees/c/a55128d392e8
> 
> Take care,
> 
> -- 
> Kees Cook

Thanks!

Assuming nobody screams about things going wrong in next, I'll plan to
water down the paranoid check in binfmt_elf.c:fill_thread_core_info().

Anyone copy-pasting a new arch after this is in mainline shouldn't fall
foul of this.

Cheers
---Dave


From marek.kucharski at fundixo.pl  Wed Jul 16 00:45:44 2025
From: marek.kucharski at fundixo.pl (Marek Kucharski)
Date: Wed, 16 Jul 2025 07:45:44 GMT
Subject: =?UTF-8?Q?Prosz=C4=99_o_kontakt?=
Message-ID: <20250716084500-0.1.gh.3ffvd.0.n029m6ufrr@CyberCitadel.pl>

Dzie? dobry,

Czy jest mo?liwo?? nawi?zania wsp??pracy z Pa?stwem?

Z ch?ci? porozmawiam z osob? zajmuj?c? si? dzia?aniami zwi?zanymi ze sprzeda??.

Pomagamy skutecznie pozyskiwa? nowych klient?w.

Zapraszam do kontaktu.


Pozdrawiam
Marek Kucharski


From hpa at zytor.com  Wed Jul 16 09:47:32 2025
From: hpa at zytor.com (H. Peter Anvin)
Date: Wed, 16 Jul 2025 09:47:32 -0700
Subject: [PATCH 1/1] uapi/termios: remove struct ktermios from uapi headers
Message-ID: <20250716164735.170713-1-hpa@zytor.com>

struct ktermios is not, nor has it ever been, a UAPI.  Remove it from
the UAPI headers.

Normally we have shadowed kernel-only headers that include the uapi
ones; in this case this would be <asm/termbits.h>, however, I was
unable to find a way by which *some* paths would still somehow pick up
the UAPI header only (presumably due to the mix of arch-specific and
asm-generic headers), so I separated out the kernel-specific parts
into a new header <asm/ktermios.h>.

<linux/termios.h> now has a kernel version, which only differs by
including <asm/ktermios.h>.

Signed-off-by: H. Peter Anvin <hpa at zytor.com>
---
 arch/alpha/include/asm/ktermios.h        |  2 ++
 arch/alpha/include/uapi/asm/termbits.h   | 17 ++--------------
 arch/arc/include/asm/ktermios.h          |  1 +
 arch/arm/include/asm/ktermios.h          |  1 +
 arch/arm64/include/asm/ktermios.h        |  1 +
 arch/csky/include/asm/ktermios.h         |  1 +
 arch/hexagon/include/asm/ktermios.h      |  1 +
 arch/loongarch/include/asm/ktermios.h    |  1 +
 arch/m68k/include/asm/ktermios.h         |  1 +
 arch/microblaze/include/asm/ktermios.h   |  1 +
 arch/mips/include/asm/ktermios.h         |  1 +
 arch/mips/include/uapi/asm/termbits.h    | 15 ++------------
 arch/nios2/include/asm/ktermios.h        |  1 +
 arch/openrisc/include/asm/ktermios.h     |  1 +
 arch/parisc/include/asm/ktermios.h       |  1 +
 arch/parisc/include/uapi/asm/termbits.h  | 15 ++------------
 arch/powerpc/include/asm/ktermios.h      |  2 ++
 arch/powerpc/include/uapi/asm/termbits.h | 13 ------------
 arch/riscv/include/asm/ktermios.h        |  1 +
 arch/s390/include/asm/ktermios.h         |  1 +
 arch/sh/include/asm/ktermios.h           |  1 +
 arch/sparc/include/asm/ktermios.h        | 11 ++++++++++
 arch/sparc/include/asm/termbits.h        |  9 --------
 arch/um/include/asm/ktermios.h           |  1 +
 arch/x86/include/asm/ktermios.h          |  1 +
 arch/xtensa/include/asm/ktermios.h       |  1 +
 include/asm-generic/ktermios.h           | 26 ++++++++++++++++++++++++
 include/linux/termios.h                  |  7 +++++++
 include/uapi/asm-generic/termbits.h      | 15 ++------------
 include/uapi/linux/termios.h             |  4 ++--
 30 files changed, 76 insertions(+), 78 deletions(-)
 create mode 100644 arch/alpha/include/asm/ktermios.h
 create mode 100644 arch/arc/include/asm/ktermios.h
 create mode 100644 arch/arm/include/asm/ktermios.h
 create mode 100644 arch/arm64/include/asm/ktermios.h
 create mode 100644 arch/csky/include/asm/ktermios.h
 create mode 100644 arch/hexagon/include/asm/ktermios.h
 create mode 100644 arch/loongarch/include/asm/ktermios.h
 create mode 100644 arch/m68k/include/asm/ktermios.h
 create mode 100644 arch/microblaze/include/asm/ktermios.h
 create mode 100644 arch/mips/include/asm/ktermios.h
 create mode 100644 arch/nios2/include/asm/ktermios.h
 create mode 100644 arch/openrisc/include/asm/ktermios.h
 create mode 100644 arch/parisc/include/asm/ktermios.h
 create mode 100644 arch/powerpc/include/asm/ktermios.h
 create mode 100644 arch/riscv/include/asm/ktermios.h
 create mode 100644 arch/s390/include/asm/ktermios.h
 create mode 100644 arch/sh/include/asm/ktermios.h
 create mode 100644 arch/sparc/include/asm/ktermios.h
 delete mode 100644 arch/sparc/include/asm/termbits.h
 create mode 100644 arch/um/include/asm/ktermios.h
 create mode 100644 arch/x86/include/asm/ktermios.h
 create mode 100644 arch/xtensa/include/asm/ktermios.h
 create mode 100644 include/asm-generic/ktermios.h
 create mode 100644 include/linux/termios.h

diff --git a/arch/alpha/include/asm/ktermios.h b/arch/alpha/include/asm/ktermios.h
new file mode 100644
index 000000000000..f1e3d24b8e61
--- /dev/null
+++ b/arch/alpha/include/asm/ktermios.h
@@ -0,0 +1,2 @@
+#define KTERMIOS_C_CC_BEFORE_C_LINE 1
+#include <asm-generic/ktermios.h>
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index f1290b22072b..50a1b468b81c 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ALPHA_TERMBITS_H
-#define _ALPHA_TERMBITS_H
+#ifndef _UAPI_ALPHA_TERMBITS_H
+#define _UAPI_ALPHA_TERMBITS_H
 
 #include <asm-generic/termbits-common.h>
 
@@ -37,19 +37,6 @@ struct termios2 {
 	speed_t c_ospeed;		/* output speed */
 };
 
-/* Alpha has matching termios and ktermios */
-
-struct ktermios {
-	tcflag_t c_iflag;		/* input mode flags */
-	tcflag_t c_oflag;		/* output mode flags */
-	tcflag_t c_cflag;		/* control mode flags */
-	tcflag_t c_lflag;		/* local mode flags */
-	cc_t c_cc[NCCS];		/* control characters */
-	cc_t c_line;			/* line discipline (== c_cc[19]) */
-	speed_t c_ispeed;		/* input speed */
-	speed_t c_ospeed;		/* output speed */
-};
-
 /* c_cc characters */
 #define VEOF		 0
 #define VEOL		 1
diff --git a/arch/arc/include/asm/ktermios.h b/arch/arc/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/arc/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/arm/include/asm/ktermios.h b/arch/arm/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/arm/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/arm64/include/asm/ktermios.h b/arch/arm64/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/arm64/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/csky/include/asm/ktermios.h b/arch/csky/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/csky/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/hexagon/include/asm/ktermios.h b/arch/hexagon/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/hexagon/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/loongarch/include/asm/ktermios.h b/arch/loongarch/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/loongarch/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/m68k/include/asm/ktermios.h b/arch/m68k/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/m68k/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/microblaze/include/asm/ktermios.h b/arch/microblaze/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/microblaze/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/mips/include/asm/ktermios.h b/arch/mips/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/mips/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/mips/include/uapi/asm/termbits.h b/arch/mips/include/uapi/asm/termbits.h
index 1eb60903d6f0..dacefee984d6 100644
--- a/arch/mips/include/uapi/asm/termbits.h
+++ b/arch/mips/include/uapi/asm/termbits.h
@@ -8,8 +8,8 @@
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
  */
-#ifndef _ASM_TERMBITS_H
-#define _ASM_TERMBITS_H
+#ifndef _UAPI_ASM_TERMBITS_H
+#define _UAPI_ASM_TERMBITS_H
 
 #include <asm-generic/termbits-common.h>
 
@@ -40,17 +40,6 @@ struct termios2 {
 	speed_t c_ospeed;		/* output speed */
 };
 
-struct ktermios {
-	tcflag_t c_iflag;		/* input mode flags */
-	tcflag_t c_oflag;		/* output mode flags */
-	tcflag_t c_cflag;		/* control mode flags */
-	tcflag_t c_lflag;		/* local mode flags */
-	cc_t c_line;			/* line discipline */
-	cc_t c_cc[NCCS];		/* control characters */
-	speed_t c_ispeed;		/* input speed */
-	speed_t c_ospeed;		/* output speed */
-};
-
 /* c_cc characters */
 #define VINTR		 0		/* Interrupt character [ISIG] */
 #define VQUIT		 1		/* Quit character [ISIG] */
diff --git a/arch/nios2/include/asm/ktermios.h b/arch/nios2/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/nios2/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/openrisc/include/asm/ktermios.h b/arch/openrisc/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/openrisc/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/parisc/include/asm/ktermios.h b/arch/parisc/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/parisc/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/parisc/include/uapi/asm/termbits.h b/arch/parisc/include/uapi/asm/termbits.h
index 3a8938d26fb4..d8818b887680 100644
--- a/arch/parisc/include/uapi/asm/termbits.h
+++ b/arch/parisc/include/uapi/asm/termbits.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __ARCH_PARISC_TERMBITS_H__
-#define __ARCH_PARISC_TERMBITS_H__
+#ifndef _UAPI_PARISC_TERMBITS_H
+#define _UAPI_PARISC_TERMBITS_H
 
 #include <asm-generic/termbits-common.h>
 
@@ -27,17 +27,6 @@ struct termios2 {
 	speed_t c_ospeed;		/* output speed */
 };
 
-struct ktermios {
-	tcflag_t c_iflag;		/* input mode flags */
-	tcflag_t c_oflag;		/* output mode flags */
-	tcflag_t c_cflag;		/* control mode flags */
-	tcflag_t c_lflag;		/* local mode flags */
-	cc_t c_line;			/* line discipline */
-	cc_t c_cc[NCCS];		/* control characters */
-	speed_t c_ispeed;		/* input speed */
-	speed_t c_ospeed;		/* output speed */
-};
-
 /* c_cc characters */
 #define VINTR		 0
 #define VQUIT		 1
diff --git a/arch/powerpc/include/asm/ktermios.h b/arch/powerpc/include/asm/ktermios.h
new file mode 100644
index 000000000000..f1e3d24b8e61
--- /dev/null
+++ b/arch/powerpc/include/asm/ktermios.h
@@ -0,0 +1,2 @@
+#define KTERMIOS_C_CC_BEFORE_C_LINE 1
+#include <asm-generic/ktermios.h>
diff --git a/arch/powerpc/include/uapi/asm/termbits.h b/arch/powerpc/include/uapi/asm/termbits.h
index 21dc86dcb2f1..f4e4d8270c8e 100644
--- a/arch/powerpc/include/uapi/asm/termbits.h
+++ b/arch/powerpc/include/uapi/asm/termbits.h
@@ -31,19 +31,6 @@ struct termios {
 	speed_t c_ospeed;		/* output speed */
 };
 
-/* For PowerPC the termios and ktermios are the same */
-
-struct ktermios {
-	tcflag_t c_iflag;		/* input mode flags */
-	tcflag_t c_oflag;		/* output mode flags */
-	tcflag_t c_cflag;		/* control mode flags */
-	tcflag_t c_lflag;		/* local mode flags */
-	cc_t c_cc[NCCS];		/* control characters */
-	cc_t c_line;			/* line discipline (== c_cc[19]) */
-	speed_t c_ispeed;		/* input speed */
-	speed_t c_ospeed;		/* output speed */
-};
-
 /* c_cc characters */
 #define VINTR 	         0
 #define VQUIT 	         1
diff --git a/arch/riscv/include/asm/ktermios.h b/arch/riscv/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/riscv/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/s390/include/asm/ktermios.h b/arch/s390/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/s390/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/sh/include/asm/ktermios.h b/arch/sh/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/sh/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/sparc/include/asm/ktermios.h b/arch/sparc/include/asm/ktermios.h
new file mode 100644
index 000000000000..bdd3682eecef
--- /dev/null
+++ b/arch/sparc/include/asm/ktermios.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SPARC_KTERMIOS_H
+#define _SPARC_KTERMIOS_H
+
+#define VMIN     16
+#define VTIME    17
+#define KNCCS	 (NCCS+2)
+
+#include <asm-generic/ktermios.h>
+
+#endif /* !(_SPARC_KTERMIOS_H) */
diff --git a/arch/sparc/include/asm/termbits.h b/arch/sparc/include/asm/termbits.h
deleted file mode 100644
index fa9de4a46d36..000000000000
--- a/arch/sparc/include/asm/termbits.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _SPARC_TERMBITS_H
-#define _SPARC_TERMBITS_H
-
-#include <uapi/asm/termbits.h>
-
-#define VMIN     16
-#define VTIME    17
-#endif /* !(_SPARC_TERMBITS_H) */
diff --git a/arch/um/include/asm/ktermios.h b/arch/um/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/um/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/x86/include/asm/ktermios.h b/arch/x86/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/x86/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/arch/xtensa/include/asm/ktermios.h b/arch/xtensa/include/asm/ktermios.h
new file mode 100644
index 000000000000..4320921a82a9
--- /dev/null
+++ b/arch/xtensa/include/asm/ktermios.h
@@ -0,0 +1 @@
+#include <asm-generic/ktermios.h>
diff --git a/include/asm-generic/ktermios.h b/include/asm-generic/ktermios.h
new file mode 100644
index 000000000000..bf22e22d8130
--- /dev/null
+++ b/include/asm-generic/ktermios.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_GENERIC_KTERMIOS_H
+#define _ASM_GENERIC_KTERMIOS_H
+
+#ifndef KNCCS
+# define KNCCS NCCS
+#endif
+
+struct ktermios {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+#ifndef KTERMIOS_C_CC_BEFORE_C_LINE
+	/* Most architectures */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[KNCCS];		/* control characters */
+#else
+	/* Alpha and PowerPC */
+	cc_t c_cc[KNCCS];		/* control characters */
+	cc_t c_line;			/* line discipline */
+#endif
+	speed_t c_ispeed;		/* input speed */
+	speed_t c_ospeed;		/* output speed */
+};
+
+#endif /* _ASM_GENERIC_KTERMIOS_H */
diff --git a/include/linux/termios.h b/include/linux/termios.h
new file mode 100644
index 000000000000..9d37d24cae02
--- /dev/null
+++ b/include/linux/termios.h
@@ -0,0 +1,7 @@
+#ifndef _LINUX_TERMIOS_H
+#define _LINUX_TERMIOS_H
+
+#include <uapi/linux/termios.h>
+#include <asm/ktermios.h>
+
+#endif
diff --git a/include/uapi/asm-generic/termbits.h b/include/uapi/asm-generic/termbits.h
index 890ef29053e2..df60b006657f 100644
--- a/include/uapi/asm-generic/termbits.h
+++ b/include/uapi/asm-generic/termbits.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __ASM_GENERIC_TERMBITS_H
-#define __ASM_GENERIC_TERMBITS_H
+#ifndef _UAPI_ASM_GENERIC_TERMBITS_H
+#define _UAPI_ASM_GENERIC_TERMBITS_H
 
 #include <asm-generic/termbits-common.h>
 
@@ -27,17 +27,6 @@ struct termios2 {
 	speed_t c_ospeed;		/* output speed */
 };
 
-struct ktermios {
-	tcflag_t c_iflag;		/* input mode flags */
-	tcflag_t c_oflag;		/* output mode flags */
-	tcflag_t c_cflag;		/* control mode flags */
-	tcflag_t c_lflag;		/* local mode flags */
-	cc_t c_line;			/* line discipline */
-	cc_t c_cc[NCCS];		/* control characters */
-	speed_t c_ispeed;		/* input speed */
-	speed_t c_ospeed;		/* output speed */
-};
-
 /* c_cc characters */
 #define VINTR		 0
 #define VQUIT		 1
diff --git a/include/uapi/linux/termios.h b/include/uapi/linux/termios.h
index e6da9d4433d1..32ff18b0dfbc 100644
--- a/include/uapi/linux/termios.h
+++ b/include/uapi/linux/termios.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _LINUX_TERMIOS_H
-#define _LINUX_TERMIOS_H
+#ifndef _UAPI_LINUX_TERMIOS_H
+#define _UAPI_LINUX_TERMIOS_H
 
 #include <linux/types.h>
 #include <asm/termios.h>
-- 
2.50.1



From linux at armlinux.org.uk  Wed Jul 16 10:57:11 2025
From: linux at armlinux.org.uk (Russell King (Oracle))
Date: Wed, 16 Jul 2025 18:57:11 +0100
Subject: [PATCH 1/1] uapi/termios: remove struct ktermios from uapi
 headers
In-Reply-To: <20250716164735.170713-1-hpa@zytor.com>
References: <20250716164735.170713-1-hpa@zytor.com>
Message-ID: <aHfn9z9_oIVgNGgx@shell.armlinux.org.uk>

On Wed, Jul 16, 2025 at 09:47:32AM -0700, H. Peter Anvin wrote:
> diff --git a/arch/arm/include/asm/ktermios.h b/arch/arm/include/asm/ktermios.h
> new file mode 100644
> index 000000000000..4320921a82a9
> --- /dev/null
> +++ b/arch/arm/include/asm/ktermios.h
> @@ -0,0 +1 @@
> +#include <asm-generic/ktermios.h>

Isn't this what arch/arm/include/asm/Kbuild's generic-y is for?

Ditto for other arches.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!


From hpa at zytor.com  Wed Jul 16 11:04:52 2025
From: hpa at zytor.com (H. Peter Anvin)
Date: Wed, 16 Jul 2025 11:04:52 -0700
Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_1/1=5D_uapi/termios=3A_remov?=
 =?US-ASCII?Q?e_struct_ktermios_from_uapi_headers?=
In-Reply-To: <aHfn9z9_oIVgNGgx@shell.armlinux.org.uk>
References: <20250716164735.170713-1-hpa@zytor.com> <aHfn9z9_oIVgNGgx@shell.armlinux.org.uk>
Message-ID: <9AEAF0BE-39D7-4617-9CB5-D0703B3E6DF8@zytor.com>

On July 16, 2025 10:57:11 AM PDT, "Russell King (Oracle)" <linux at armlinux.org.uk> wrote:
>On Wed, Jul 16, 2025 at 09:47:32AM -0700, H. Peter Anvin wrote:
>> diff --git a/arch/arm/include/asm/ktermios.h b/arch/arm/include/asm/ktermios.h
>> new file mode 100644
>> index 000000000000..4320921a82a9
>> --- /dev/null
>> +++ b/arch/arm/include/asm/ktermios.h
>> @@ -0,0 +1 @@
>> +#include <asm-generic/ktermios.h>
>
>Isn't this what arch/arm/include/asm/Kbuild's generic-y is for?
>
>Ditto for other arches.
>

Ah, yes, you're right (except for those with nontrivial stubs.)

I also found that a handful of drivers and arch/sparc needs <asm/termios.h> ? <linux/termios.h> in <linux/termios_internal.h>.


From braker.noob.kernel at gmail.com  Fri Jul 18 03:27:20 2025
From: braker.noob.kernel at gmail.com (Rujra Bhatt)
Date: Fri, 18 Jul 2025 15:57:20 +0530
Subject: [PATCH] arc:kernel:perf_event.c : replaced sprintf with sysfs_emit()
In-Reply-To: <aGjUpI1yNjEhSiAq@brak3rDesk>
References: <aGjUpI1yNjEhSiAq@brak3rDesk>
Message-ID: <CAG+54DZQC+-6E-P3D4BUtVujNegL1qKpcB5SGh28+rX5hrHFiw@mail.gmail.com>

Hi,

On Sat, Jul 5, 2025 at 1:00?PM Rujra Bhatt <braker.noob.kernel at gmail.com> wrote:
>
> Replaced sprintf() with sysfs_emit() in sysfs*_show() function in
> perf_event.c file to follow the kernel's guidelines from
> documentation/filesystems/sysfs.rst
> This will improve consistency, safety, and makes it easier to maintain
> and update in future.
>
> Signed-off-by: Rujra Bhatt <braker.noob.kernel at gmail.com>
> ---
>  arch/arc/kernel/perf_event.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
> index ed6d4f0cd621..424ec072c441 100644
> --- a/arch/arc/kernel/perf_event.c
> +++ b/arch/arc/kernel/perf_event.c
> @@ -648,7 +648,7 @@ static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
>         struct perf_pmu_events_attr *pmu_attr;
>
>         pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
> -       return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
> +       return sysfs_emit(page, "event=0x%04llx\n", pmu_attr->id);
>  }
>
>  /*
> --
> 2.43.0
>

Gentle reminder for the replacement of sprintf() with the sysfs_emit(), kindly
review it.

Thanking you,
regards,
Rujra Bhatt


From greg at kroah.com  Fri Jul 18 04:47:56 2025
From: greg at kroah.com (Greg KH)
Date: Fri, 18 Jul 2025 13:47:56 +0200
Subject: [PATCH] arc:kernel:perf_event.c : replaced sprintf with
 sysfs_emit()
In-Reply-To: <CAG+54DZQC+-6E-P3D4BUtVujNegL1qKpcB5SGh28+rX5hrHFiw@mail.gmail.com>
References: <aGjUpI1yNjEhSiAq@brak3rDesk>
 <CAG+54DZQC+-6E-P3D4BUtVujNegL1qKpcB5SGh28+rX5hrHFiw@mail.gmail.com>
Message-ID: <2025071801-driveway-curly-698c@gregkh>

On Fri, Jul 18, 2025 at 03:57:20PM +0530, Rujra Bhatt wrote:
> Hi,
> 
> On Sat, Jul 5, 2025 at 1:00?PM Rujra Bhatt <braker.noob.kernel at gmail.com> wrote:
> >
> > Replaced sprintf() with sysfs_emit() in sysfs*_show() function in
> > perf_event.c file to follow the kernel's guidelines from
> > documentation/filesystems/sysfs.rst
> > This will improve consistency, safety, and makes it easier to maintain
> > and update in future.
> >
> > Signed-off-by: Rujra Bhatt <braker.noob.kernel at gmail.com>
> > ---
> >  arch/arc/kernel/perf_event.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
> > index ed6d4f0cd621..424ec072c441 100644
> > --- a/arch/arc/kernel/perf_event.c
> > +++ b/arch/arc/kernel/perf_event.c
> > @@ -648,7 +648,7 @@ static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
> >         struct perf_pmu_events_attr *pmu_attr;
> >
> >         pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
> > -       return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
> > +       return sysfs_emit(page, "event=0x%04llx\n", pmu_attr->id);
> >  }
> >
> >  /*
> > --
> > 2.43.0
> >
> 
> Gentle reminder for the replacement of sprintf() with the sysfs_emit(), kindly
> review it.

Why is this required?  There is no bug in the current code, so no need
to change it at all.  Please just use sysfs_emit() for new sysfs files,
no need to churn the tree and change all existing entries, otherwise we
would have done this a long time ago when we introduced these functions.

thanks,

greg k-h


From wiktoria.bielaszka at subventuro.com  Mon Jul 21 00:45:48 2025
From: wiktoria.bielaszka at subventuro.com (Wiktoria Bielaszka)
Date: Mon, 21 Jul 2025 07:45:48 GMT
Subject: =?UTF-8?Q?Zamro=C5=BCenie_ceny_energii?=
Message-ID: <20250721084500-0.1.lf.2xoou.0.o7dx3jdfpp@CyberCircuitryCo.com>

Dzie? dobry, 

czy planuj? Pa?stwo optymalizacj? koszt?w energii elektrycznej w swojej firmie?

Chcieliby?my przedstawi? nasz? ofert? XPOT, kt?ra mo?e przynie?? znacz?ce oszcz?dno?ci. Ju? od teraz, mog? Pa?stwo uzyska? cen? ni?sz? o 40,9% w stosunku do obecnej ceny ustawowej. 

Nasza propozycja obejmuje lata 2025 i 2026, a start wsp??pracy jest mo?liwy od zaraz. 

Gwarantujemy elastyczne warunki umowy (3-6-9-12 miesi?cy), zapewniaj?c minimum formalno?ci.

Jeste?my pionierem w sprzeda?y energii w cenach RDN wed?ug TGE dla ka?dej grupy taryfowej. Przez ca?y okres trwania umowy zapewniamy Pa?stwu dedykowanego opiekuna, a ca?y proces Zmiany Sprzedawcy i wszelkie formalno?ci realizujemy za Klient?w.  

Ch?tnie porozmawiam o tym, jak mo?emy wsp?lnie zrealizowa? Pa?stwa cele energetyczne. 

Prosz? o wiadomo?? w przypadku zainteresowania. 


Pozdrawiam
Wiktoria Bielaszka


From braker.noob.kernel at gmail.com  Mon Jul 21 20:52:57 2025
From: braker.noob.kernel at gmail.com (Rujra Bhatt)
Date: Tue, 22 Jul 2025 09:22:57 +0530
Subject: [PATCH] arc:kernel:perf_event.c : replaced sprintf with sysfs_emit()
In-Reply-To: <2025071801-driveway-curly-698c@gregkh>
References: <aGjUpI1yNjEhSiAq@brak3rDesk> <CAG+54DZQC+-6E-P3D4BUtVujNegL1qKpcB5SGh28+rX5hrHFiw@mail.gmail.com>
 <2025071801-driveway-curly-698c@gregkh>
Message-ID: <CAG+54DZS36Lp3Wc2nh+uSR14GPOWK+LJePp-jW1oB13uGtiSHw@mail.gmail.com>

On Fri, Jul 18, 2025 at 5:18?PM Greg KH <greg at kroah.com> wrote:
>
> On Fri, Jul 18, 2025 at 03:57:20PM +0530, Rujra Bhatt wrote:
> > Hi,
> >
> > On Sat, Jul 5, 2025 at 1:00?PM Rujra Bhatt <braker.noob.kernel at gmail.com> wrote:
> > >
> > > Replaced sprintf() with sysfs_emit() in sysfs*_show() function in
> > > perf_event.c file to follow the kernel's guidelines from
> > > documentation/filesystems/sysfs.rst
> > > This will improve consistency, safety, and makes it easier to maintain
> > > and update in future.
> > >
> > > Signed-off-by: Rujra Bhatt <braker.noob.kernel at gmail.com>
> > > ---
> > >  arch/arc/kernel/perf_event.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
> > > index ed6d4f0cd621..424ec072c441 100644
> > > --- a/arch/arc/kernel/perf_event.c
> > > +++ b/arch/arc/kernel/perf_event.c
> > > @@ -648,7 +648,7 @@ static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
> > >         struct perf_pmu_events_attr *pmu_attr;
> > >
> > >         pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
> > > -       return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
> > > +       return sysfs_emit(page, "event=0x%04llx\n", pmu_attr->id);
> > >  }
> > >
> > >  /*
> > > --
> > > 2.43.0
> > >
> >
> > Gentle reminder for the replacement of sprintf() with the sysfs_emit(), kindly
> > review it.
>
> Why is this required?  There is no bug in the current code, so no need
> to change it at all.  Please just use sysfs_emit() for new sysfs files,
> no need to churn the tree and change all existing entries, otherwise we
> would have done this a long time ago when we introduced these functions.
>

Hi Greg,
I appreciate your feedback.

I wanted to bring the formatting in line with the
latest guidance, especially since sysfs_emit() has become the recommended
method for sysfs output. I see now, though, that I should restrict myself to
using that helper only in the context of genuine bug fixes or in the course
of adding features.
I'll make sure to only use sysfs_emit() for new sysfs entries or when
modifying existing files for actual bugs or feature changes,
as per your guidance.

Thank you so much for pointing this out.

regards,
Rujra Bhatt


From lkp at intel.com  Tue Jul 22 09:11:37 2025
From: lkp at intel.com (kernel test robot)
Date: Wed, 23 Jul 2025 00:11:37 +0800
Subject: include/linux/atomic/atomic-arch-fallback.h:4152:16: sparse: sparse:
 cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
Message-ID: <202507230016.wIB7yFIo-lkp@intel.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   89be9a83ccf1f88522317ce02f854f30d6115c41
commit: ea7caffedd011f7d40abe93a884ffbe46f122535 ARC: atomics: Implement arch_atomic64_cmpxchg using _relaxed
date:   6 weeks ago
config: arc-randconfig-r111-20250722 (https://download.01.org/0day-ci/archive/20250723/202507230016.wIB7yFIo-lkp at intel.com/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250723/202507230016.wIB7yFIo-lkp at intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507230016.wIB7yFIo-lkp at intel.com/

sparse warnings: (new ones prefixed by >>)
   lib/atomic64_test.c: note: in included file (through include/linux/atomic.h, include/asm-generic/bitops/lock.h, arch/arc/include/asm/bitops.h, ...):
   include/linux/atomic/atomic-arch-fallback.h:4152:16: sparse: sparse: cast truncates bits from constant value (aaa31337c001d00d becomes c001d00d)
>> include/linux/atomic/atomic-arch-fallback.h:4152:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4181:16: sparse: sparse: cast truncates bits from constant value (aaa31337c001d00d becomes c001d00d)
   include/linux/atomic/atomic-arch-fallback.h:4181:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4209:16: sparse: sparse: cast truncates bits from constant value (aaa31337c001d00d becomes c001d00d)
   include/linux/atomic/atomic-arch-fallback.h:4209:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4234:16: sparse: sparse: cast truncates bits from constant value (aaa31337c001d00d becomes c001d00d)
   include/linux/atomic/atomic-arch-fallback.h:4234:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4152:16: sparse: sparse: cast truncates bits from constant value (faceabadf00df001 becomes f00df001)
>> include/linux/atomic/atomic-arch-fallback.h:4152:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4181:16: sparse: sparse: cast truncates bits from constant value (faceabadf00df001 becomes f00df001)
   include/linux/atomic/atomic-arch-fallback.h:4181:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4209:16: sparse: sparse: cast truncates bits from constant value (faceabadf00df001 becomes f00df001)
   include/linux/atomic/atomic-arch-fallback.h:4209:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)
   include/linux/atomic/atomic-arch-fallback.h:4234:16: sparse: sparse: cast truncates bits from constant value (faceabadf00df001 becomes f00df001)
   include/linux/atomic/atomic-arch-fallback.h:4234:16: sparse: sparse: cast truncates bits from constant value (deadbeefdeafcafe becomes deafcafe)

vim +4152 include/linux/atomic/atomic-arch-fallback.h

37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4126  
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4127  /**
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4128   * raw_atomic64_cmpxchg() - atomic compare and exchange with full ordering
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4129   * @v: pointer to atomic64_t
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4130   * @old: s64 value to compare with
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4131   * @new: s64 value to assign
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4132   *
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4133   * If (@v == @old), atomically updates @v to @new with full ordering.
6dfee110c6cc7a include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2024-02-09  4134   * Otherwise, @v is not modified and relaxed ordering is provided.
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4135   *
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4136   * Safe to use in noinstr code; prefer atomic64_cmpxchg() elsewhere.
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4137   *
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4138   * Return: The original value of @v.
ad8110706f3811 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4139   */
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4140  static __always_inline s64
9257959a6e5b4f include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4141  raw_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4142  {
1d78814d41701c include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4143  #if defined(arch_atomic64_cmpxchg)
1d78814d41701c include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4144  	return arch_atomic64_cmpxchg(v, old, new);
1d78814d41701c include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4145  #elif defined(arch_atomic64_cmpxchg_relaxed)
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4146  	s64 ret;
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4147  	__atomic_pre_full_fence();
9257959a6e5b4f include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4148  	ret = arch_atomic64_cmpxchg_relaxed(v, old, new);
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4149  	__atomic_post_full_fence();
37f8173dd84936 include/linux/atomic-arch-fallback.h        Peter Zijlstra 2020-01-24  4150  	return ret;
9257959a6e5b4f include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4151  #else
9257959a6e5b4f include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05 @4152  	return raw_cmpxchg(&v->counter, old, new);
d12157efc8e083 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4153  #endif
1d78814d41701c include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4154  }
d12157efc8e083 include/linux/atomic/atomic-arch-fallback.h Mark Rutland   2023-06-05  4155  

:::::: The code at line 4152 was first introduced by commit
:::::: 9257959a6e5b4fca6fc8e985790bff62c2046f20 locking/atomic: scripts: restructure fallback ifdeffery

:::::: TO: Mark Rutland <mark.rutland at arm.com>
:::::: CC: Peter Zijlstra <peterz at infradead.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki