From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 865631A029A for ; Wed, 28 Oct 2015 11:51:17 +1100 (AEDT) From: Anton Blanchard To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, mikey@neuling.org, cyrilbur@gmail.com Cc: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 04/19] powerpc: Remove redundant mflr in _switch Date: Wed, 28 Oct 2015 11:50:52 +1100 Message-Id: <1445993467-667-4-git-send-email-anton@samba.org> In-Reply-To: <1445993467-667-1-git-send-email-anton@samba.org> References: <1445993467-667-1-git-send-email-anton@samba.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , No need to execute mflr twice. Signed-off-by: Anton Blanchard --- arch/powerpc/kernel/entry_64.S | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index e84e5bc..c8b4225 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -452,9 +452,7 @@ _GLOBAL(_switch) /* r3-r13 are caller saved -- Cort */ SAVE_8GPRS(14, r1) SAVE_10GPRS(22, r1) - mflr r20 /* Return to switch caller */ - - std r20,_NIP(r1) + std r0,_NIP(r1) /* Return to switch caller */ mfcr r23 std r23,_CCR(r1) std r1,KSP(r3) /* Set old stack pointer */ -- 2.5.0