Author: kib Date: Sat Aug 25 15:31:23 2018 New Revision: 338313 URL: https://svnweb.freebsd.org/changeset/base/338313
Log: Remove dead code in i386 cpu_throw(). Curpmap must be already valid when cpu_throw() is called, even for early AP startup. Suggested by: alc Reviewed by: alc, markj Sponsored by: The FreeBSD Foundation Approved by: re (marius) MFC after: 1 week Differential revision: https://reviews.freebsd.org/D16893 Modified: head/sys/i386/i386/swtch.s Modified: head/sys/i386/i386/swtch.s ============================================================================== --- head/sys/i386/i386/swtch.s Sat Aug 25 15:21:28 2018 (r338312) +++ head/sys/i386/i386/swtch.s Sat Aug 25 15:31:23 2018 (r338313) @@ -74,16 +74,12 @@ */ ENTRY(cpu_throw) movl PCPU(CPUID), %esi - movl 4(%esp),%ecx /* Old thread */ - testl %ecx,%ecx /* no thread? */ - jz 1f /* release bit from old pm_active */ movl PCPU(CURPMAP), %ebx #ifdef SMP lock #endif btrl %esi, PM_ACTIVE(%ebx) /* clear old */ -1: movl 8(%esp),%ecx /* New thread */ movl TD_PCB(%ecx),%edx /* set bit in new pm_active */ _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
