From owner-svn-src-all@freebsd.org Tue Nov 19 01:28:06 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DAEA71CF59B; Tue, 19 Nov 2019 01:28:06 +0000 (UTC) (envelope-from jhibbits@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 47H7Vt5S7kz3Kg5; Tue, 19 Nov 2019 01:28:06 +0000 (UTC) (envelope-from jhibbits@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 9F94E2B27; Tue, 19 Nov 2019 01:28:06 +0000 (UTC) (envelope-from jhibbits@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xAJ1S6RM092647; Tue, 19 Nov 2019 01:28:06 GMT (envelope-from jhibbits@FreeBSD.org) Received: (from jhibbits@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xAJ1S6A6092646; Tue, 19 Nov 2019 01:28:06 GMT (envelope-from jhibbits@FreeBSD.org) Message-Id: <201911190128.xAJ1S6A6092646@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhibbits set sender to jhibbits@FreeBSD.org using -f From: Justin Hibbits Date: Tue, 19 Nov 2019 01:28:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r354838 - head/sys/powerpc/booke X-SVN-Group: head X-SVN-Commit-Author: jhibbits X-SVN-Commit-Paths: head/sys/powerpc/booke X-SVN-Commit-Revision: 354838 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Nov 2019 01:28:06 -0000 Author: jhibbits Date: Tue Nov 19 01:28:06 2019 New Revision: 354838 URL: https://svnweb.freebsd.org/changeset/base/354838 Log: powerpc/booke pmap: Use the right 'tlbilx' form to invalidate TIDs 'tlbilxpid' is 'tlbilx 1, 0', while the existing form is 'tlbilx 0, 0', which translates to 'tlbilxlpid', invalidating a LDPID. This effectively invalidates the entire TLB, causing unnecessary reloads. Modified: head/sys/powerpc/booke/pmap.c Modified: head/sys/powerpc/booke/pmap.c ============================================================================== --- head/sys/powerpc/booke/pmap.c Tue Nov 19 00:02:56 2019 (r354837) +++ head/sys/powerpc/booke/pmap.c Tue Nov 19 01:28:06 2019 (r354838) @@ -4254,7 +4254,7 @@ tid_flush(tlbtid_t tid) case FSL_E6500: mtspr(SPR_MAS6, tid << MAS6_SPID0_SHIFT); /* tlbilxpid */ - __asm __volatile("isync; .long 0x7c000024; isync; msync"); + __asm __volatile("isync; .long 0x7c200024; isync; msync"); __asm __volatile("wrtee %0" :: "r"(msr)); return; }