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x86/pvops: replace arch_enter_lazy_cpu_mode with arch_start_context_switch

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Impact: simplification, prepare for later changes

Make lazy cpu mode more specific to context switching, so that
it makes sense to do more context-switch specific things in
the callbacks.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
This commit is contained in:
Jeremy Fitzhardinge
2009-02-17 23:24:03 -08:00
parent b8bcfe997e
commit 7fd7d83d49
8 changed files with 20 additions and 37 deletions
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2
arch/x86/kernel/process_32.c
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@@ -407,7 +407,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
* done before math_state_restore, so the TS bit is up
* to date.
*/
arch_leave_lazy_cpu_mode();
arch_end_context_switch();
/* If the task has used fpu the last 5 timeslices, just do a full
* restore of the math state immediately to avoid the trap; the