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Thu, 01 Aug 2019 01:20:00 -0700 (PDT) From: Viresh Kumar To: stable@vger.kernel.org Subject: [PATCH ARM32 v4.4 V2 10/47] ARM: bugs: prepare processor bug infrastructure Date: Thu, 1 Aug 2019 13:45:54 +0530 Message-Id: <31d400e2535e6502cfa192169c054a02c3385185.1564646727.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.21.0.rc0.269.g1a574e7a288b In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190801_012003_099333_6639C141 X-CRM114-Status: GOOD ( 13.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Julien Thierry , Marc Zyngier , Viresh Kumar , guohanjun@huawei.com, Will Deacon , mark.brown@arm.com, Catalin Marinas , Russell King , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Russell King 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 Reviewed-by: Florian Fainelli Boot-tested-by: Tony Lindgren Reviewed-by: Tony Lindgren Acked-by: Marc Zyngier Signed-off-by: David A. Long Signed-off-by: Viresh Kumar --- arch/arm/include/asm/bugs.h | 4 ++-- arch/arm/kernel/Makefile | 1 + arch/arm/kernel/bugs.c | 9 +++++++++ 3 files changed, 12 insertions(+), 2 deletions(-) create mode 100644 arch/arm/kernel/bugs.c 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 +#include +#include + +void __init check_bugs(void) +{ + check_writebuffer_bugs(); +}