From owner-svn-src-head@freebsd.org Fri Jun 30 02:11:33 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 80D71DAA6CD; Fri, 30 Jun 2017 02:11:33 +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 mx1.freebsd.org (Postfix) with ESMTPS id 459A87BDFB; Fri, 30 Jun 2017 02:11:33 +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 v5U2BW3N044121; Fri, 30 Jun 2017 02:11:32 GMT (envelope-from jhibbits@FreeBSD.org) Received: (from jhibbits@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v5U2BWtt044120; Fri, 30 Jun 2017 02:11:32 GMT (envelope-from jhibbits@FreeBSD.org) Message-Id: <201706300211.v5U2BWtt044120@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhibbits set sender to jhibbits@FreeBSD.org using -f From: Justin Hibbits Date: Fri, 30 Jun 2017 02:11:32 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r320489 - 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: 320489 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jun 2017 02:11:33 -0000 Author: jhibbits Date: Fri Jun 30 02:11:32 2017 New Revision: 320489 URL: https://svnweb.freebsd.org/changeset/base/320489 Log: Use the more common Book-E idiom for disabling interrupts. Book-E has the wrteei/wrtee instructions for writing the PSL_EE bit, ignoring all others. Use this instead of the AIM-typical mtmsr. MFC with: r320392 Modified: head/sys/powerpc/booke/pmap.c Modified: head/sys/powerpc/booke/pmap.c ============================================================================== --- head/sys/powerpc/booke/pmap.c Fri Jun 30 00:20:48 2017 (r320488) +++ head/sys/powerpc/booke/pmap.c Fri Jun 30 02:11:32 2017 (r320489) @@ -3818,7 +3818,7 @@ tlb1_read_entry(tlb_entry_t *entry, unsigned int slot) KASSERT((entry != NULL), ("%s(): Entry is NULL!", __func__)); msr = mfmsr(); - mtmsr(msr & ~PSL_EE); + __asm __volatile("wrteei 0"); mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(slot); mtspr(SPR_MAS0, mas0); @@ -3865,7 +3865,7 @@ tlb1_write_entry(tlb_entry_t *e, unsigned int idx) //debugf("tlb1_write_entry: mas0 = 0x%08x\n", mas0); msr = mfmsr(); - mtmsr(msr & ~PSL_EE); + __asm __volatile("wrteei 0"); mtspr(SPR_MAS0, mas0); __asm __volatile("isync");