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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-28 19:32:32 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-28 19:32:32 -1000 |
| commit | 4ed86af67e04cb5eb93faba589d102726207865a (patch) | |
| tree | e3f3d6ed4c2465087d23050c770d236861920d2f /arch | |
| parent | Linux 2.6.31-rc8 (diff) | |
| parent | x86: Fix vSMP boot crash (diff) | |
| download | linux-dev-4ed86af67e04cb5eb93faba589d102726207865a.tar.xz linux-dev-4ed86af67e04cb5eb93faba589d102726207865a.zip | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Fix vSMP boot crash
x86, xen: Initialize cx to suppress warning
x86, xen: Suppress WP test on Xen
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/apic/probe_64.c | 10 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten.c | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c index bc3e880f9b82..fcec2f1d34a1 100644 --- a/arch/x86/kernel/apic/probe_64.c +++ b/arch/x86/kernel/apic/probe_64.c @@ -44,6 +44,11 @@ static struct apic *apic_probe[] __initdata = { NULL, }; +static int apicid_phys_pkg_id(int initial_apic_id, int index_msb) +{ + return hard_smp_processor_id() >> index_msb; +} + /* * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode. */ @@ -69,6 +74,11 @@ void __init default_setup_apic_routing(void) printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); } + if (is_vsmp_box()) { + /* need to update phys_pkg_id */ + apic->phys_pkg_id = apicid_phys_pkg_id; + } + /* * Now that apic routing model is selected, configure the * fault handling for intr remapping. diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index e90540a46a0b..eb33aaa8415d 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -215,6 +215,7 @@ static __init void xen_init_cpuid_mask(void) (1 << X86_FEATURE_ACPI)); /* disable ACPI */ ax = 1; + cx = 0; xen_cpuid(&ax, &bx, &cx, &dx); /* cpuid claims we support xsave; try enabling it to see what happens */ @@ -1059,6 +1060,7 @@ asmlinkage void __init xen_start_kernel(void) /* set up basic CPUID stuff */ cpu_detect(&new_cpu_data); new_cpu_data.hard_math = 1; + new_cpu_data.wp_works_ok = 1; new_cpu_data.x86_capability[0] = cpuid_edx(1); #endif |