linux/arch/x86
Suresh Siddha d6f0f39b7d x86: add smp_mb() before sending INVALIDATE_TLB_VECTOR
Impact: fix rare x2apic hang

On x86, x2apic mode accesses for sending IPI's don't have serializing
semantics. If the IPI receivner refers(in lock-free fashion) to some
memory setup by the sender, the need for smp_mb() before sending the
IPI becomes critical in x2apic mode.

Add the smp_mb() in native_flush_tlb_others() before sending the IPI.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-06 09:41:49 +01:00
..
boot .gitignore updates 2008-10-30 11:38:45 -07:00
configs x86: remove irqbalance in kernel for 32 bit 2008-10-16 16:52:52 +02:00
crypto crypto: crc32c - Use Intel CRC32 instruction 2008-08-29 15:49:50 +10:00
ia32 compat: generic compat get/settimeofday 2008-10-16 11:21:33 -07:00
include/asm x86: remove VISWS and PARAVIRT around NR_IRQS puzzle 2008-11-06 09:35:34 +01:00
kernel x86: add smp_mb() before sending INVALIDATE_TLB_VECTOR 2008-11-06 09:41:49 +01:00
kvm KVM: Fix guest shared interrupt with in-kernel irqchip 2008-10-28 14:21:34 +02:00
lguest lguest: fix irq vectors. 2008-10-31 11:24:28 +11:00
lib Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
mach-default Merge branches 'x86/prototypes', 'x86/x2apic' and 'x86/debug' into x86/core 2008-08-14 14:58:22 +02:00
mach-generic x86: make 32bit support per_cpu vector 2008-10-16 16:52:53 +02:00
mach-rdc321x removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
mach-voyager x86, voyager: fix smp_intr_init() compile breakage 2008-11-03 10:52:21 +01:00
math-emu
mm x86: fix /dev/mem mmap breakage when PAT is disabled 2008-10-30 23:54:41 +01:00
oprofile oprofile: fixing whitespaces in arch/x86/oprofile/* 2008-10-16 17:17:46 +02:00
pci x86/PCI: irq and pci_ids patch for Intel Ibex Peak DeviceIDs 2008-10-20 10:53:48 -07:00
power Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
vdso
video
xen Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-28 09:52:25 -07:00
Kconfig x86: mention ACPI in top-level Kconfig menu 2008-11-06 08:16:19 +01:00
Kconfig.cpu x86, bts: improve help text for BTS config 2008-10-28 16:39:37 +01:00
Kconfig.debug
Makefile x86, um: ... and asm-x86 move 2008-10-22 22:55:20 -07:00
Makefile_32.cpu x86: merge winchip-2 and winchip-2a cpu choices 2008-10-13 10:22:48 +02:00