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authorLinus Torvalds <torvalds@linux-foundation.org>2010-01-08 13:55:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-01-08 13:55:52 -0800
commit80e23b7cea77fa29a4c902aa53e87c53c5e054c5 (patch)
treeb428bdfc70cb3f0d909d5a2cb46a728ff67c205d /arch/x86/kernel
parent00cd25b29ba946b7d0907157577ab5cf421bd50e (diff)
parent7f41c2e1523f628cc248e34192162aec5728bed7 (diff)
downloadop-kernel-dev-80e23b7cea77fa29a4c902aa53e87c53c5e054c5.zip
op-kernel-dev-80e23b7cea77fa29a4c902aa53e87c53c5e054c5.tar.gz
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip: x86, irq: Check move_in_progress before freeing the vector mapping x86: copy_from_user() should not return -EFAULT Revert "x86: Side-step lguest problem by only building cmpxchg8b_emu for pre-Pentium" x86/pci: Intel ioh bus num reg accessing fix x86: Fix size for ex trampoline with 32bit
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic/io_apic.c7
-rw-r--r--arch/x86/kernel/e820.c4
2 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index de00c46..53243ca 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2434,6 +2434,13 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
cfg = irq_cfg(irq);
raw_spin_lock(&desc->lock);
+ /*
+ * Check if the irq migration is in progress. If so, we
+ * haven't received the cleanup request yet for this irq.
+ */
+ if (cfg->move_in_progress)
+ goto unlock;
+
if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
goto unlock;
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 05ed7ab..a1a7876 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -733,13 +733,13 @@ struct early_res {
};
static struct early_res early_res[MAX_EARLY_RES] __initdata = {
{ 0, PAGE_SIZE, "BIOS data page", 1 }, /* BIOS data page */
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
/*
* But first pinch a few for the stack/trampoline stuff
* FIXME: Don't need the extra page at 4K, but need to fix
* trampoline before removing it. (see the GDT stuff)
*/
- { PAGE_SIZE, PAGE_SIZE, "EX TRAMPOLINE", 1 },
+ { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
#endif
{}
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