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[v2,1/2] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

Message ID 1525417069-27401-1-git-send-email-opensource.ganesh@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mahendran Ganesh May 4, 2018, 6:57 a.m. UTC 
Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This
enables Speculative Page Fault handler.

Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com>
---
v2: remove "if SMP"
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eb2cf49..b3ca29d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -144,6 +144,7 @@  config ARM64
 	select SPARSE_IRQ
 	select SYSCTL_EXCEPTION_TRACE
 	select THREAD_INFO_IN_TASK
+	select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
 	help
 	  ARM 64-bit (AArch64) Linux support.