Date: Thu, 22 Aug 2013 16:39:59 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r254663 - head/sys/pc98/pc98 Message-ID: <201308221639.r7MGdxjN094108@svn.freebsd.org>
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Author: jkim Date: Thu Aug 22 16:39:59 2013 New Revision: 254663 URL: http://svnweb.freebsd.org/changeset/base/254663 Log: MFi386: r254619 Reimplement atomic_load_acq_64() and atomic_store_rel_64() for i386. Noticed by: tinderbox Modified: head/sys/pc98/pc98/machdep.c Modified: head/sys/pc98/pc98/machdep.c ============================================================================== --- head/sys/pc98/pc98/machdep.c Thu Aug 22 16:34:03 2013 (r254662) +++ head/sys/pc98/pc98/machdep.c Thu Aug 22 16:39:59 2013 (r254663) @@ -1359,21 +1359,6 @@ idle_sysctl(SYSCTL_HANDLER_ARGS) SYSCTL_PROC(_machdep, OID_AUTO, idle, CTLTYPE_STRING | CTLFLAG_RW, 0, 0, idle_sysctl, "A", "currently selected idle function"); -uint64_t (*atomic_load_acq_64)(volatile uint64_t *) = - atomic_load_acq_64_i386; -void (*atomic_store_rel_64)(volatile uint64_t *, uint64_t) = - atomic_store_rel_64_i386; - -static void -cpu_probe_cmpxchg8b(void) -{ - - if ((cpu_feature & CPUID_CX8) != 0) { - atomic_load_acq_64 = atomic_load_acq_64_i586; - atomic_store_rel_64 = atomic_store_rel_64_i586; - } -} - /* * Reset registers to default values on exec. */ @@ -2422,8 +2407,6 @@ init386(first) thread0.td_pcb->pcb_cr3 = (int)IdlePTD; thread0.td_pcb->pcb_ext = 0; thread0.td_frame = &proc0_tf; - - cpu_probe_cmpxchg8b(); } void
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