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Date: Wed, 25 Jun 2008 00:19:23 -0400 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, x86@...nel.org, xen-devel <xen-devel@...ts.xensource.com>, Stephen Tweedie <sct@...hat.com>, Eduardo Habkost <ehabkost@...hat.com>, Mark McLoughlin <markmc@...hat.com>, x86@...nel.org Subject: [PATCH 27 of 36] x86_64: __switch_to(): Move arch_leave_lazy_cpu_mode() to the right place We must leave lazy mode before switching the %fs and %gs selectors. (patch should be merged with previous __switch_to()/arch_leave_lazy_cpu_mode() patch) Signed-off-by: Eduardo Habkost <ehabkost@...hat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> --- arch/x86/kernel/process_64.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -603,6 +603,15 @@ load_TLS(next, cpu); + /* + * Leave lazy mode, flushing any hypercalls made here. + * This must be done before restoring TLS segments so + * the GDT and LDT are properly updated, and must be + * done before math_state_restore, so the TS bit is up + * to date. + */ + arch_leave_lazy_cpu_mode(); + /* * Switch FS and GS. */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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