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authorChristoffer Dall <christoffer.dall@linaro.org>2018-01-09 11:51:58 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2018-01-09 21:08:52 +0100
commit448fadc8a4a36cad560e07b4fbc94cba49526956 (patch)
treea65a6b2f137bcd2acb146249f4c464992a1528e1 /arch/arm64/include
parent17ab9d57debaa53d665651e425a0efc4a893c039 (diff)
arm64: mm: Add additional parameter to uaccess_ttbr0_enable
Add an extra temporary register parameter to uaccess_ttbr0_enable which is about to be required for arm64 PAN support. This patch doesn't introduce any functional change but ensures that the kernel compiles once the KVM/ARM tree is merged with the arm64 tree by ensuring a trivially mergable conflict with commit 27a921e75711d924617269e0ba4adb8bae9fd0d1 ("arm64: mm: Fix and re-enable ARM64_SW_TTBR0_PAN"). Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/asm-uaccess.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index b3da6c886835..b67563d2024c 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -31,7 +31,7 @@ alternative_if_not ARM64_HAS_PAN
alternative_else_nop_endif
.endm
- .macro uaccess_ttbr0_enable, tmp1, tmp2
+ .macro uaccess_ttbr0_enable, tmp1, tmp2, tmp3
alternative_if_not ARM64_HAS_PAN
save_and_disable_irq \tmp2 // avoid preemption
__uaccess_ttbr0_enable \tmp1
@@ -42,7 +42,7 @@ alternative_else_nop_endif
.macro uaccess_ttbr0_disable, tmp1
.endm
- .macro uaccess_ttbr0_enable, tmp1, tmp2
+ .macro uaccess_ttbr0_enable, tmp1, tmp2, tmp3
.endm
#endif