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[207.226.244.124]) by smtp.gmail.com with ESMTPSA id p126-v6sm24953601pga.28.2018.05.03.23.58.20 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 03 May 2018 23:58:21 -0700 (PDT) From: Ganesh Mahendran To: ldufour@linux.vnet.ibm.com, catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, cpandya@codeaurora.org, punit.agrawal@arm.com Subject: [PATCH v2 1/2] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT Date: Fri, 4 May 2018 14:57:48 +0800 Message-Id: <1525417069-27401-1-git-send-email-opensource.ganesh@gmail.com> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180503_235832_286684_2FE890D6 X-CRM114-Status: GOOD ( 10.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ganesh Mahendran MIME-Version: 1.0 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 Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This enables Speculative Page Fault handler. Signed-off-by: Ganesh Mahendran --- 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.