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OpenCloudOS-Kernel
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Merge branch 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm 

* 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
  KVM: IOAPIC: Fix level-triggered irq injection hang
  x86: KVM guest: Add memory clobber to hypercalls
This commit is contained in:
Linus Torvalds 2008-07-06 11:16:23 -07:00
parent 97f8571e66 35baff256d
commit 1b40a895df
2 changed files with 11 additions and 6 deletions
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15
include/asm-x86/kvm_para.h
View File

@ -71,7 +71,8 @@ static inline long kvm_hypercall0(unsigned int nr)
long ret;
asm volatile(KVM_HYPERCALL
: "=a"(ret)
: "a"(nr));
: "a"(nr)
: "memory");
return ret;
}
@ -80,7 +81,8 @@ static inline long kvm_hypercall1(unsigned int nr, unsigned long p1)
long ret;
asm volatile(KVM_HYPERCALL
: "=a"(ret)
: "a"(nr), "b"(p1));
: "a"(nr), "b"(p1)
: "memory");
return ret;
}
@ -90,7 +92,8 @@ static inline long kvm_hypercall2(unsigned int nr, unsigned long p1,
long ret;
asm volatile(KVM_HYPERCALL
: "=a"(ret)
: "a"(nr), "b"(p1), "c"(p2));
: "a"(nr), "b"(p1), "c"(p2)
: "memory");
return ret;
}
@ -100,7 +103,8 @@ static inline long kvm_hypercall3(unsigned int nr, unsigned long p1,
long ret;
asm volatile(KVM_HYPERCALL
: "=a"(ret)
: "a"(nr), "b"(p1), "c"(p2), "d"(p3));
: "a"(nr), "b"(p1), "c"(p2), "d"(p3)
: "memory");
return ret;
}
@ -111,7 +115,8 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
long ret;
asm volatile(KVM_HYPERCALL
: "=a"(ret)
: "a"(nr), "b"(p1), "c"(p2), "d"(p3), "S"(p4));
: "a"(nr), "b"(p1), "c"(p2), "d"(p3), "S"(p4)
: "memory");
return ret;
}

2
virt/kvm/ioapic.c
View File

@ -278,7 +278,7 @@ static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi)
ent->fields.remote_irr = 0;
if (!ent->fields.mask && (ioapic->irr & (1 << gsi)))
ioapic_deliver(ioapic, gsi);
ioapic_service(ioapic, gsi);
}
void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)