Date: Mon, 29 Sep 2003 19:37:01 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 38836 for review Message-ID: <200309300237.h8U2b1tj031160@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=38836 Change 38836 by peter@peter_hammer on 2003/09/29 19:36:47 encapsulate some more lazy switch stuff Affected files ... .. //depot/projects/hammer/sys/amd64/amd64/apic_vector.s#5 edit .. //depot/projects/hammer/sys/amd64/amd64/mp_machdep.c#9 edit Differences ... ==== //depot/projects/hammer/sys/amd64/amd64/apic_vector.s#5 (text+ko) ==== @@ -354,6 +354,7 @@ POP_FRAME /* Why not doreti? */ iretq +#ifdef LAZY_SWITCH /* * Clean up when we lose out on the lazy context switch optimization. * ie: when we are about to release a PTD but a cpu is still borrowing it. @@ -366,4 +367,5 @@ movl $0, LA_EOI(%rax) /* End Of Interrupt to APIC */ POP_FRAME /* Why not doreti? */ iretq +#endif #endif /* SMP */ ==== //depot/projects/hammer/sys/amd64/amd64/mp_machdep.c#9 (text+ko) ==== @@ -258,8 +258,10 @@ /* Install an inter-CPU IPI for forwarding statclock() */ setidt(IPI_STATCLOCK, IDTVEC(statclock), SDT_SYSIGT, SEL_KPL, 0); +#ifdef LAZY_SWITCH /* Install an inter-CPU IPI for lazy pmap release */ setidt(IPI_LAZYPMAP, IDTVEC(lazypmap), SDT_SYSIGT, SEL_KPL, 0); +#endif /* Install an inter-CPU IPI for all-CPU rendezvous */ setidt(IPI_RENDEZVOUS, IDTVEC(rendezvous), SDT_SYSIGT, SEL_KPL, 0);
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