[RFT/RFC PATCH 1/6] ARM: replace PROCINFO embedded branch with relative offset

Nicolas Pitre nicolas.pitre at linaro.org
Thu Mar 12 13:24:35 PDT 2015


On Thu, 12 Mar 2015, Ard Biesheuvel wrote:

> This patch replaces the 'branch to setup()' instructions embedded
> in the PROCINFO structs with the offset to that setup function
> relative to the base of the struct. This preserves the position
> independent nature of that field, but uses a data item rather
> than an instruction.
> 
> This is mainly done to prevent linker failures on large kernels,
> where the setup function is out of reach for the branch.

Looks fine to me.

Acked-by: Nicolas Pitre <nico at linaro.org>

> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
> ---
>  arch/arm/kernel/head.S      | 14 ++++++++------
>  arch/arm/mm/proc-arm1020.S  |  4 ++--
>  arch/arm/mm/proc-arm1020e.S |  4 ++--
>  arch/arm/mm/proc-arm1022.S  |  4 ++--
>  arch/arm/mm/proc-arm1026.S  |  4 ++--
>  arch/arm/mm/proc-arm720.S   |  4 ++--
>  arch/arm/mm/proc-arm740.S   |  4 ++--
>  arch/arm/mm/proc-arm7tdmi.S |  4 ++--
>  arch/arm/mm/proc-arm920.S   |  4 ++--
>  arch/arm/mm/proc-arm922.S   |  4 ++--
>  arch/arm/mm/proc-arm925.S   |  4 ++--
>  arch/arm/mm/proc-arm926.S   |  4 ++--
>  arch/arm/mm/proc-arm940.S   |  4 ++--
>  arch/arm/mm/proc-arm946.S   |  4 ++--
>  arch/arm/mm/proc-arm9tdmi.S |  4 ++--
>  arch/arm/mm/proc-fa526.S    |  4 ++--
>  arch/arm/mm/proc-feroceon.S |  5 +++--
>  arch/arm/mm/proc-macros.S   |  4 ++++
>  arch/arm/mm/proc-mohawk.S   |  4 ++--
>  arch/arm/mm/proc-sa110.S    |  4 ++--
>  arch/arm/mm/proc-sa1100.S   |  4 ++--
>  arch/arm/mm/proc-v6.S       |  4 ++--
>  arch/arm/mm/proc-v7.S       |  4 ++--
>  arch/arm/mm/proc-v7m.S      |  4 ++--
>  arch/arm/mm/proc-xsc3.S     |  4 ++--
>  arch/arm/mm/proc-xscale.S   |  4 ++--
>  26 files changed, 61 insertions(+), 54 deletions(-)
> 
> diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
> index 01963273c07a..698b38bfca8f 100644
> --- a/arch/arm/kernel/head.S
> +++ b/arch/arm/kernel/head.S
> @@ -138,8 +138,9 @@ ENTRY(stext)
>  						@ mmu has been enabled
>  	adr	lr, BSYM(1f)			@ return (PIC) address
>  	mov	r8, r4				@ set TTBR1 to swapper_pg_dir
> - ARM(	add	pc, r10, #PROCINFO_INITFUNC	)
> - THUMB(	add	r12, r10, #PROCINFO_INITFUNC	)
> +	ldr	r12, [r10, #PROCINFO_INITFUNC]
> + ARM(	add	pc, r12, r10			)
> + THUMB(	add	r12, r12, r10			)
>   THUMB(	ret	r12				)
>  1:	b	__enable_mmu
>  ENDPROC(stext)
> @@ -386,10 +387,11 @@ ENTRY(secondary_startup)
>  	ldr	r8, [r7, lr]			@ get secondary_data.swapper_pg_dir
>  	adr	lr, BSYM(__enable_mmu)		@ return address
>  	mov	r13, r12			@ __secondary_switched address
> - ARM(	add	pc, r10, #PROCINFO_INITFUNC	) @ initialise processor
> -						  @ (return control reg)
> - THUMB(	add	r12, r10, #PROCINFO_INITFUNC	)
> - THUMB(	ret	r12				)
> +	ldr	r12, [r10, #PROCINFO_INITFUNC]
> + ARM(	add	pc, r12, r10		)	@ initialise processor
> +						@ (return control reg)
> + THUMB(	add	r12, r12, r10		)
> + THUMB(	ret	r12			)
>  ENDPROC(secondary_startup)
>  ENDPROC(secondary_startup_arm)
>  
> diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
> index 86ee5d47ce3c..7ddd45d6ca52 100644
> --- a/arch/arm/mm/proc-arm1020.S
> +++ b/arch/arm/mm/proc-arm1020.S
> @@ -507,7 +507,7 @@ cpu_arm1020_name:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm1020_proc_info,#object
>  __arm1020_proc_info:
> @@ -519,7 +519,7 @@ __arm1020_proc_info:
>  	.long   PMD_TYPE_SECT | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm1020_setup
> +	initfn	__arm1020_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
> index a6331d78601f..d15f556782a8 100644
> --- a/arch/arm/mm/proc-arm1020e.S
> +++ b/arch/arm/mm/proc-arm1020e.S
> @@ -465,7 +465,7 @@ arm1020e_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm1020e_proc_info,#object
>  __arm1020e_proc_info:
> @@ -479,7 +479,7 @@ __arm1020e_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm1020e_setup
> +	initfn	__arm1020e_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_EDSP
> diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
> index a126b7a59928..6245e422e95c 100644
> --- a/arch/arm/mm/proc-arm1022.S
> +++ b/arch/arm/mm/proc-arm1022.S
> @@ -448,7 +448,7 @@ arm1022_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm1022_proc_info,#object
>  __arm1022_proc_info:
> @@ -462,7 +462,7 @@ __arm1022_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm1022_setup
> +	initfn	__arm1022_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_EDSP
> diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
> index fc294067e977..944114b566ef 100644
> --- a/arch/arm/mm/proc-arm1026.S
> +++ b/arch/arm/mm/proc-arm1026.S
> @@ -442,7 +442,7 @@ arm1026_crval:
>  	string	cpu_arm1026_name, "ARM1026EJ-S"
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm1026_proc_info,#object
>  __arm1026_proc_info:
> @@ -456,7 +456,7 @@ __arm1026_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm1026_setup
> +	initfn	__arm1026_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA
> diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
> index 2baa66b3ac9b..4bd5f8dcbc29 100644
> --- a/arch/arm/mm/proc-arm720.S
> +++ b/arch/arm/mm/proc-arm720.S
> @@ -186,7 +186,7 @@ arm720_crval:
>   * See <asm/procinfo.h> for a definition of this structure.
>   */
>  	
> -		.section ".proc.info.init", #alloc, #execinstr
> +		.section ".proc.info.init", #alloc
>  
>  .macro arm720_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cpu_flush:req
>  		.type	__\name\()_proc_info,#object
> @@ -203,7 +203,7 @@ __\name\()_proc_info:
>  			PMD_BIT4 | \
>  			PMD_SECT_AP_WRITE | \
>  			PMD_SECT_AP_READ
> -		b	\cpu_flush				@ cpu_flush
> +		initfn	\cpu_flush				@ cpu_flush
>  		.long	cpu_arch_name				@ arch_name
>  		.long	cpu_elf_name				@ elf_name
>  		.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB	@ elf_hwcap
> diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S
> index ac1ea6b3bce4..1dadba6744ec 100644
> --- a/arch/arm/mm/proc-arm740.S
> +++ b/arch/arm/mm/proc-arm740.S
> @@ -132,14 +132,14 @@ __arm740_setup:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  	.type	__arm740_proc_info,#object
>  __arm740_proc_info:
>  	.long	0x41807400
>  	.long	0xfffffff0
>  	.long	0
>  	.long	0
> -	b	__arm740_setup
> +	initfn	__arm740_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_26BIT
> diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
> index bf6ba4bc30ff..c322a416cb9a 100644
> --- a/arch/arm/mm/proc-arm7tdmi.S
> +++ b/arch/arm/mm/proc-arm7tdmi.S
> @@ -76,7 +76,7 @@ __arm7tdmi_setup:
>  
>  		.align
>  
> -		.section ".proc.info.init", #alloc, #execinstr
> +		.section ".proc.info.init", #alloc
>  
>  .macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \
>  	extra_hwcaps=0
> @@ -86,7 +86,7 @@ __\name\()_proc_info:
>  		.long	\cpu_mask
>  		.long	0
>  		.long	0
> -		b	__arm7tdmi_setup
> +		initfn	__arm7tdmi_setup
>  		.long	cpu_arch_name
>  		.long	cpu_elf_name
>  		.long	HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps )
> diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
> index 22bf8dde4f84..f129bdede5cc 100644
> --- a/arch/arm/mm/proc-arm920.S
> +++ b/arch/arm/mm/proc-arm920.S
> @@ -448,7 +448,7 @@ arm920_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm920_proc_info,#object
>  __arm920_proc_info:
> @@ -464,7 +464,7 @@ __arm920_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm920_setup
> +	initfn	__arm920_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
> index 0c6d5ac5a6d4..53b5bddb0ee9 100644
> --- a/arch/arm/mm/proc-arm922.S
> +++ b/arch/arm/mm/proc-arm922.S
> @@ -426,7 +426,7 @@ arm922_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm922_proc_info,#object
>  __arm922_proc_info:
> @@ -442,7 +442,7 @@ __arm922_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm922_setup
> +	initfn	__arm922_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
> index c32d073282ea..94a88a734210 100644
> --- a/arch/arm/mm/proc-arm925.S
> +++ b/arch/arm/mm/proc-arm925.S
> @@ -494,7 +494,7 @@ arm925_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  .macro arm925_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache
>  	.type	__\name\()_proc_info,#object
> @@ -510,7 +510,7 @@ __\name\()_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm925_setup
> +	initfn	__arm925_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
> index 252b2503038d..0fe423de5118 100644
> --- a/arch/arm/mm/proc-arm926.S
> +++ b/arch/arm/mm/proc-arm926.S
> @@ -474,7 +474,7 @@ arm926_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm926_proc_info,#object
>  __arm926_proc_info:
> @@ -490,7 +490,7 @@ __arm926_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__arm926_setup
> +	initfn	__arm926_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA
> diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S
> index e5212d489377..7ad2642dfcda 100644
> --- a/arch/arm/mm/proc-arm940.S
> +++ b/arch/arm/mm/proc-arm940.S
> @@ -354,14 +354,14 @@ __arm940_setup:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__arm940_proc_info,#object
>  __arm940_proc_info:
>  	.long	0x41009400
>  	.long	0xff00fff0
>  	.long	0
> -	b	__arm940_setup
> +	initfn	__arm940_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S
> index b3dd9b2d0b8e..f129dcadb8e8 100644
> --- a/arch/arm/mm/proc-arm946.S
> +++ b/arch/arm/mm/proc-arm946.S
> @@ -409,14 +409,14 @@ __arm946_setup:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  	.type	__arm946_proc_info,#object
>  __arm946_proc_info:
>  	.long	0x41009460
>  	.long	0xff00fff0
>  	.long	0
>  	.long	0
> -	b	__arm946_setup
> +	initfn	__arm946_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
> diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S
> index 8227322bbb8f..a8828b63a981 100644
> --- a/arch/arm/mm/proc-arm9tdmi.S
> +++ b/arch/arm/mm/proc-arm9tdmi.S
> @@ -70,7 +70,7 @@ __arm9tdmi_setup:
>  
>  		.align
>  
> -		.section ".proc.info.init", #alloc, #execinstr
> +		.section ".proc.info.init", #alloc
>  
>  .macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
>  		.type	__\name\()_proc_info, #object
> @@ -79,7 +79,7 @@ __\name\()_proc_info:
>  		.long	\cpu_mask
>  		.long	0
>  		.long	0
> -		b	__arm9tdmi_setup
> +		initfn	__arm9tdmi_setup
>  		.long	cpu_arch_name
>  		.long	cpu_elf_name
>  		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
> diff --git a/arch/arm/mm/proc-fa526.S b/arch/arm/mm/proc-fa526.S
> index c494886892ba..afb100b96081 100644
> --- a/arch/arm/mm/proc-fa526.S
> +++ b/arch/arm/mm/proc-fa526.S
> @@ -190,7 +190,7 @@ fa526_cr1_set:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__fa526_proc_info,#object
>  __fa526_proc_info:
> @@ -206,7 +206,7 @@ __fa526_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__fa526_setup
> +	initfn	__fa526_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF
> diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S
> index 03a1b75f2e16..5bd769a2bbbe 100644
> --- a/arch/arm/mm/proc-feroceon.S
> +++ b/arch/arm/mm/proc-feroceon.S
> @@ -584,7 +584,7 @@ feroceon_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  .macro feroceon_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache:req
>  	.type	__\name\()_proc_info,#object
> @@ -601,7 +601,8 @@ __\name\()_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__feroceon_setup
> +	initfn	__feroceon_setup
> +	.long __feroceon_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
> diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
> index 082b9f2f7e90..5bed45aeac40 100644
> --- a/arch/arm/mm/proc-macros.S
> +++ b/arch/arm/mm/proc-macros.S
> @@ -331,3 +331,7 @@ ENTRY(\name\()_tlb_fns)
>  	.globl	\x
>  	.equ	\x, \y
>  .endm
> +
> +.macro	initfn, initfunc
> +	.long	\initfunc - . + PROCINFO_INITFUNC
> +.endm
> diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
> index 53d393455f13..a15a2c150460 100644
> --- a/arch/arm/mm/proc-mohawk.S
> +++ b/arch/arm/mm/proc-mohawk.S
> @@ -427,7 +427,7 @@ mohawk_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__88sv331x_proc_info,#object
>  __88sv331x_proc_info:
> @@ -443,7 +443,7 @@ __88sv331x_proc_info:
>  		PMD_BIT4 | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__mohawk_setup
> +	initfn	__mohawk_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
> diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
> index 8008a0461cf5..4668067e7a08 100644
> --- a/arch/arm/mm/proc-sa110.S
> +++ b/arch/arm/mm/proc-sa110.S
> @@ -199,7 +199,7 @@ sa110_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	.type	__sa110_proc_info,#object
>  __sa110_proc_info:
> @@ -213,7 +213,7 @@ __sa110_proc_info:
>  	.long   PMD_TYPE_SECT | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__sa110_setup
> +	initfn	__sa110_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT | HWCAP_FAST_MULT
> diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
> index 89f97ac648a9..4acd3cbaa7fe 100644
> --- a/arch/arm/mm/proc-sa1100.S
> +++ b/arch/arm/mm/proc-sa1100.S
> @@ -242,7 +242,7 @@ sa1100_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  .macro sa1100_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
>  	.type	__\name\()_proc_info,#object
> @@ -257,7 +257,7 @@ __\name\()_proc_info:
>  	.long   PMD_TYPE_SECT | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__sa1100_setup
> +	initfn	__sa1100_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT | HWCAP_FAST_MULT
> diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
> index d0390f4b3f18..5c05a2948dfa 100644
> --- a/arch/arm/mm/proc-v6.S
> +++ b/arch/arm/mm/proc-v6.S
> @@ -264,7 +264,7 @@ v6_crval:
>  	string	cpu_elf_name, "v6"
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	/*
>  	 * Match any ARMv6 processor core.
> @@ -287,7 +287,7 @@ __v6_proc_info:
>  		PMD_SECT_XN | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__v6_setup
> +	initfn	__v6_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	/* See also feat_v6_fixup() for HWCAP_TLS */
> diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> index 8b4ee5e81c14..eda1eba132c6 100644
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -462,7 +462,7 @@ __v7_setup_stack:
>  	string	cpu_elf_name, "v7"
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	/*
>  	 * Standard v7 proc info content
> @@ -474,7 +474,7 @@ __v7_setup_stack:
>  			PMD_SECT_AF | PMD_FLAGS_UP | \mm_mmuflags)
>  	.long	PMD_TYPE_SECT | PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ | PMD_SECT_AF | \io_mmuflags
> -	W(b)	\initfunc
> +	initfn	\initfunc
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
> diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
> index d1e68b553d3b..89119d50f57d 100644
> --- a/arch/arm/mm/proc-v7m.S
> +++ b/arch/arm/mm/proc-v7m.S
> @@ -135,7 +135,7 @@ __v7m_setup_stack_top:
>  	string cpu_elf_name "v7m"
>  	string cpu_v7m_name "ARMv7-M"
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  	/*
>  	 * Match any ARMv7-M processor core.
> @@ -146,7 +146,7 @@ __v7m_proc_info:
>  	.long	0x000f0000		@ Mask for ID
>  	.long   0			@ proc_info_list.__cpu_mm_mmu_flags
>  	.long   0			@ proc_info_list.__cpu_io_mmu_flags
> -	b	__v7m_setup		@ proc_info_list.__cpu_flush
> +	initfn	__v7m_setup		@ proc_info_list.__cpu_flush
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT
> diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
> index f8acdfece036..1b0b945126f8 100644
> --- a/arch/arm/mm/proc-xsc3.S
> +++ b/arch/arm/mm/proc-xsc3.S
> @@ -499,7 +499,7 @@ xsc3_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  .macro xsc3_proc_info name:req, cpu_val:req, cpu_mask:req
>  	.type	__\name\()_proc_info,#object
> @@ -514,7 +514,7 @@ __\name\()_proc_info:
>  	.long	PMD_TYPE_SECT | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__xsc3_setup
> +	initfn	__xsc3_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
> diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
> index afa2b3c4df4a..7805cd098140 100644
> --- a/arch/arm/mm/proc-xscale.S
> +++ b/arch/arm/mm/proc-xscale.S
> @@ -612,7 +612,7 @@ xscale_crval:
>  
>  	.align
>  
> -	.section ".proc.info.init", #alloc, #execinstr
> +	.section ".proc.info.init", #alloc
>  
>  .macro xscale_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache
>  	.type	__\name\()_proc_info,#object
> @@ -627,7 +627,7 @@ __\name\()_proc_info:
>  	.long	PMD_TYPE_SECT | \
>  		PMD_SECT_AP_WRITE | \
>  		PMD_SECT_AP_READ
> -	b	__xscale_setup
> +	initfn	__xscale_setup
>  	.long	cpu_arch_name
>  	.long	cpu_elf_name
>  	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
> -- 
> 1.8.3.2
> 
> 



More information about the linux-arm-kernel mailing list