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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-23 02:17:50 +0100 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-23 02:19:34 +0100 |
| commit | bc15fde77fc5d9ec2eec6066a5ab554ea1266a0a (patch) | |
| tree | 24cae738550a02a6fe4d00b57c99bb57195cef9f /arch/x86 | |
| parent | xen: clean up "extra" memory handling some more (diff) | |
| download | linux-bc15fde77fc5d9ec2eec6066a5ab554ea1266a0a.tar.xz linux-bc15fde77fc5d9ec2eec6066a5ab554ea1266a0a.zip | |
xen: use default_idle
We just need the idle loop to drop into safe_halt, which default_idle()
is perfectly capable of doing. There's no need to duplicate it.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/xen/setup.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index b85dceef56f7..95fb68a8c20d 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -250,20 +250,6 @@ char * __init xen_memory_setup(void) return "Xen"; } -static void xen_idle(void) -{ - local_irq_disable(); - - if (need_resched()) - local_irq_enable(); - else { - current_thread_info()->status &= ~TS_POLLING; - smp_mb__after_clear_bit(); - safe_halt(); - current_thread_info()->status |= TS_POLLING; - } -} - /* * Set the bit indicating "nosegneg" library variants should be used. * We only need to bother in pure 32-bit mode; compat 32-bit processes @@ -360,7 +346,11 @@ void __init xen_arch_setup(void) MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ? COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE); - pm_idle = xen_idle; + /* Set up idle, making sure it calls safe_halt() pvop */ +#ifdef CONFIG_X86_32 + boot_cpu_data.hlt_works_ok = 1; +#endif + pm_idle = default_idle; fiddle_vdso(); } |