From owner-svn-src-stable-12@freebsd.org Wed Dec 19 21:04:07 2018 Return-Path: Delivered-To: svn-src-stable-12@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A57B113464F6; Wed, 19 Dec 2018 21:04:07 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4AB856E3D4; Wed, 19 Dec 2018 21:04:07 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 30D881B65F; Wed, 19 Dec 2018 21:04:07 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBJL47oj095702; Wed, 19 Dec 2018 21:04:07 GMT (envelope-from mjg@FreeBSD.org) Received: (from mjg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBJL476J095701; Wed, 19 Dec 2018 21:04:07 GMT (envelope-from mjg@FreeBSD.org) Message-Id: <201812192104.wBJL476J095701@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mjg set sender to mjg@FreeBSD.org using -f From: Mateusz Guzik Date: Wed, 19 Dec 2018 21:04:07 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r342239 - stable/12/sys/amd64/amd64 X-SVN-Group: stable-12 X-SVN-Commit-Author: mjg X-SVN-Commit-Paths: stable/12/sys/amd64/amd64 X-SVN-Commit-Revision: 342239 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4AB856E3D4 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.98)[-0.981,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.998,0] X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2018 21:04:07 -0000 Author: mjg Date: Wed Dec 19 21:04:06 2018 New Revision: 342239 URL: https://svnweb.freebsd.org/changeset/base/342239 Log: MFC r341719 amd64: stop re-reading curpc on subyte/suword Modified: stable/12/sys/amd64/amd64/support.S Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/amd64/amd64/support.S ============================================================================== --- stable/12/sys/amd64/amd64/support.S Wed Dec 19 21:03:17 2018 (r342238) +++ stable/12/sys/amd64/amd64/support.S Wed Dec 19 21:04:06 2018 (r342239) @@ -1148,7 +1148,6 @@ ENTRY(suword16_nosmap) movw %si,(%rdi) xorl %eax,%eax - movq PCPU(CURPCB),%rcx /* restore trashed register */ movq %rax,PCB_ONFAULT(%rcx) POP_FRAME_POINTER ret @@ -1167,7 +1166,6 @@ ENTRY(suword16_smap) movw %si,(%rdi) clac xorl %eax,%eax - movq PCPU(CURPCB),%rcx /* restore trashed register */ movq %rax,PCB_ONFAULT(%rcx) POP_FRAME_POINTER ret @@ -1185,7 +1183,6 @@ ENTRY(subyte_nosmap) movl %esi,%eax movb %al,(%rdi) xorl %eax,%eax - movq PCPU(CURPCB),%rcx /* restore trashed register */ movq %rax,PCB_ONFAULT(%rcx) POP_FRAME_POINTER ret @@ -1205,7 +1202,6 @@ ENTRY(subyte_smap) movb %al,(%rdi) clac xorl %eax,%eax - movq PCPU(CURPCB),%rcx /* restore trashed register */ movq %rax,PCB_ONFAULT(%rcx) POP_FRAME_POINTER ret