diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2018-05-10 12:55:58 +0100 |
|---|---|---|
| committer | David A. Long <dave.long@linaro.org> | 2018-10-30 23:23:38 -0400 |
| commit | 6fb1f3ff85c2fb288750c76e7aa620440ae1e759 (patch) | |
| tree | c5969459172b289e297bd98edafa64909a8758c7 /arch/arm | |
| parent | 2ac0106eb3b873ed2eb581670957018e9f19bd63 (diff) | |
ARM: bugs: prepare processor bug infrastructure
Commit a5b9177f69329314721aa7022b7e69dab23fa1f0 upstream.
Prepare the processor bug infrastructure so that it can be expanded to
check for per-processor bugs.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Boot-tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: David A. Long <dave.long@linaro.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/bugs.h | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/bugs.c | 9 |
3 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/include/asm/bugs.h b/arch/arm/include/asm/bugs.h index a97f1ea708d1..ed122d294f3f 100644 --- a/arch/arm/include/asm/bugs.h +++ b/arch/arm/include/asm/bugs.h @@ -10,10 +10,10 @@ #ifndef __ASM_BUGS_H #define __ASM_BUGS_H -#ifdef CONFIG_MMU extern void check_writebuffer_bugs(void); -#define check_bugs() check_writebuffer_bugs() +#ifdef CONFIG_MMU +extern void check_bugs(void); #else #define check_bugs() do { } while (0) #endif diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 3c789496297f..f936cec24f72 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -30,6 +30,7 @@ else obj-y += entry-armv.o endif +obj-$(CONFIG_MMU) += bugs.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ISA_DMA_API) += dma.o obj-$(CONFIG_FIQ) += fiq.o fiqasm.o diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c new file mode 100644 index 000000000000..88024028bb70 --- /dev/null +++ b/arch/arm/kernel/bugs.c @@ -0,0 +1,9 @@ +// SPDX-Identifier: GPL-2.0 +#include <linux/init.h> +#include <asm/bugs.h> +#include <asm/proc-fns.h> + +void __init check_bugs(void) +{ + check_writebuffer_bugs(); +} |