[GIT PULL] RISC-V Fixes for 5.13-rc3

[Palmer Dabbelt]

On Sat, 24 Jul 2021 13:44:02 PDT (-0700), Palmer Dabbelt wrote:
> The following changes since commit e73f0f0ee7541171d89f2e2491130c7771ba58d3:
>
>   Linux 5.14-rc1 (2021-07-11 15:07:40 -0700)
>
> are available in the Git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-5.14-rc3
>
> for you to fetch changes up to ea196c548c0ac407afd31d142712b6da8bd00244:
>
>   riscv: __asm_copy_to-from_user: Fix: Typos in comments (2021-07-23 17:49:12 -0700)
>
> ----------------------------------------------------------------
> RISC-V Fixes for 5.13-rc3

Oops, that should be 5.14-rc3.  The tag name is right.

>
> * A fix to properly set the memory size, which fixes 32-bit systems.
> * A fix to allow the initrd to load anywhere in memory, rather that
>   restricting it to the first 256MiB.
> * A fix for the mem= parameter on 64-bit systems, to properly account
>   for the maximum supported memory now that the kernel is outside the
>   linear map.
> * A fix to avoid installing mappings into the last 4KiB of memory, which
>   conflicts with error values.
> * A fix to avoid the stack from being freed while it is being walked.
> * A handful of fixes to the new copy to/from user routines.
> ---
> There is one particularly odd bit in the history here: the fix for the 32-bit
> boot failure is based on an older release, because a recent feature addition
> also fixed the bug.  I wanted to take that patch so it could be backported to
> stable, but it's erased by its own merge.  Not sure if there's a better way to
> do this, but I figured this was saner than reverting the feature and then
> bringing it back.
>
> ----------------------------------------------------------------
> Akira Tsukamoto (4):
>       riscv: __asm_copy_to-from_user: Fix: overrun copy
>       riscv: __asm_copy_to-from_user: Fix: fail on RV32
>       riscv: __asm_copy_to-from_user: Remove unnecessary size check
>       riscv: __asm_copy_to-from_user: Fix: Typos in comments
>
> Alexandre Ghiti (3):
>       riscv: Fix memory_limit for 64-bit kernel
>       riscv: Make sure the linear mapping does not use the kernel mapping
>       riscv: Make sure the kernel mapping does not overlap with IS_ERR_VALUE
>
> Bin Meng (1):
>       riscv: Fix 32-bit RISC-V boot failure
>
> Heinrich Schuchardt (1):
>       RISC-V: load initrd wherever it fits into memory
>
> Jisheng Zhang (1):
>       riscv: stacktrace: pin the task's stack in get_wchan
>
> Palmer Dabbelt (1):
>       Merge remote-tracking branch 'riscv/riscv-fix-32bit' into fixes
>
>  arch/riscv/include/asm/efi.h   |  4 ++--
>  arch/riscv/kernel/stacktrace.c |  6 +++++-
>  arch/riscv/lib/uaccess.S       | 27 +++++++++++++--------------
>  arch/riscv/mm/init.c           | 32 ++++++++++++++++++++++++++++----
>  4 files changed, 48 insertions(+), 21 deletions(-)