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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-02 22:08:56 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-02 22:08:56 +0100 |
| commit | c02368a9d059322f913a58111eade87a656fefd5 (patch) | |
| tree | 2f02dbbe69b86535f58d2010d9adfb20a9c16fb9 /arch/x86/kernel/paravirt.c | |
| parent | f17c75453b2d195eba0a90d9f16a3ba88c85b3b4 (diff) | |
| parent | 778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff) | |
| download | blackbird-obmc-linux-c02368a9d059322f913a58111eade87a656fefd5.tar.gz blackbird-obmc-linux-c02368a9d059322f913a58111eade87a656fefd5.zip | |
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index e4c8fb608873..c6520a4e85d4 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -268,6 +268,32 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) return __get_cpu_var(paravirt_lazy_mode); } +void arch_flush_lazy_mmu_mode(void) +{ + preempt_disable(); + + if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) { + WARN_ON(preempt_count() == 1); + arch_leave_lazy_mmu_mode(); + arch_enter_lazy_mmu_mode(); + } + + preempt_enable(); +} + +void arch_flush_lazy_cpu_mode(void) +{ + preempt_disable(); + + if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU) { + WARN_ON(preempt_count() == 1); + arch_leave_lazy_cpu_mode(); + arch_enter_lazy_cpu_mode(); + } + + preempt_enable(); +} + struct pv_info pv_info = { .name = "bare hardware", .paravirt_enabled = 0, |
