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x86, 64-bit: __switch_to(): move arch_leave_lazy_cpu_mode() to the right place

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We must leave lazy mode before switching the %fs and %gs selectors.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: xen-devel <xen-devel@lists.xensource.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge 2008-06-25 00:19:23 -04:00 committed by Ingo Molnar
parent 0814e0bace
commit 3fe0a63efd
1 changed files with 9 additions and 0 deletions
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9
arch/x86/kernel/process_64.c
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@ -562,6 +562,15 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
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.
*/