linux-kernel - [PATCH v2 1/2] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE

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Date:   Fri,  4 May 2018 14:57:48 +0800
From:   Ganesh Mahendran <opensource.ganesh@...il.com>
To:     ldufour@...ux.vnet.ibm.com, catalin.marinas@....com,
        will.deacon@....com, mark.rutland@....com, cpandya@...eaurora.org,
        punit.agrawal@....com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Ganesh Mahendran <opensource.ganesh@...il.com>
Subject: [PATCH v2 1/2] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT

Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This
enables Speculative Page Fault handler.

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

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.
 
-- 
1.9.1