| From | Matt Fleming <> | Subject | [PATCH 37/40] arm64/efi: Enable runtime call flag checking | Date | Mon, 25 Apr 2016 21:07:09 +0100 |
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From: Mark Rutland <mark.rutland@arm.com>
Define ARCH_EFI_IRQ_FLAGS_MASK for arm64, which will enable the generic runtime wrapper code to detect when firmware erroneously modifies flags over a runtime services function call.
Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Leif Lindholm <leif.lindholm@linaro.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-efi@vger.kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk> --- arch/arm64/include/asm/efi.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index cfd4ae2e46c0..622db3c6474e 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -4,6 +4,7 @@ #include <asm/io.h> #include <asm/mmu_context.h> #include <asm/neon.h> +#include <asm/ptrace.h> #include <asm/tlbflush.h> #ifdef CONFIG_EFI @@ -35,6 +36,8 @@ int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); kernel_neon_end(); \ }) +#define ARCH_EFI_IRQ_FLAGS_MASK (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT) + /* arch specific definitions used by the stub code */ /* -- 2.7.3
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