From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1033.google.com ([2607:f8b0:4864:20::1033]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nuraJ-001jH9-Gp for linux-um@lists.infradead.org; Sat, 28 May 2022 08:14:08 +0000 Received: by mail-pj1-x1033.google.com with SMTP id d20so2405434pjr.0 for ; Sat, 28 May 2022 01:14:06 -0700 (PDT) From: Yu-Jen Chang Subject: [PATCH 2/2] x86/um: Use x86_64-optimized memchr Date: Sat, 28 May 2022 16:12:36 +0800 Message-Id: <20220528081236.3020-3-arthurchang09@gmail.com> In-Reply-To: <20220528081236.3020-1-arthurchang09@gmail.com> References: <20220528081236.3020-1-arthurchang09@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: ak@linux.intel.com, jdike@linux.intel.com Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, linux-um@lists.infradead.org, jserv@ccns.ncku.edu.tw, Yu-Jen Chang Add x86_64-optimized memchr, which is 4x faster than the original implementation, into um. Signed-off-by: Yu-Jen Chang Signed-off-by: Ching-Chun (Jim) Huang --- arch/x86/um/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile index ba5789c35..52b7c21ca 100644 --- a/arch/x86/um/Makefile +++ b/arch/x86/um/Makefile @@ -28,7 +28,7 @@ else obj-y += syscalls_64.o vdso/ -subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../entry/thunk_64.o +subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../lib/string_64.o ../entry/thunk_64.o endif -- 2.25.1 _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um