Messages in this thread | | | Date | Mon, 4 Apr 2005 13:10:25 -0600 (MDT) | From | Zwane Mwaikambo <> | Subject | Re: [RFC 1/6]SEP initialization rework |
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On Mon, 4 Apr 2005, Li Shaohua wrote:
> linux-2.6.11-root/arch/i386/kernel/smpboot.c | 6 ++++++ > linux-2.6.11-root/arch/i386/kernel/sysenter.c | 10 ++++++---- > linux-2.6.11-root/arch/i386/mach-voyager/voyager_smp.c | 6 ++++++ > 3 files changed, 18 insertions(+), 4 deletions(-) > > diff -puN arch/i386/kernel/sysenter.c~sep_init_cleanup arch/i386/kernel/sysenter.c > --- linux-2.6.11/arch/i386/kernel/sysenter.c~sep_init_cleanup 2005-03-28 09:32:30.936304248 +0800 > +++ linux-2.6.11-root/arch/i386/kernel/sysenter.c 2005-03-28 09:58:20.703703792 +0800 > @@ -26,6 +26,11 @@ void enable_sep_cpu(void *info) > int cpu = get_cpu(); > struct tss_struct *tss = &per_cpu(init_tss, cpu); > > + if (!boot_cpu_has(X86_FEATURE_SEP)) { > + put_cpu(); > + return; > + } > +
Do you have systems like this? Is it really skipping SEP if the boot processor doesn't have SEP? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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