aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 11:50:26 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 11:50:26 -0700
commit49c13b51a15f1ba9f6d47e26e4a3886c4f3931e2 (patch)
treea96d7fc5884e56a61993f9393afa9077f8068b47 /include/linux
parent492559af235eb56884d62553f191c0b5c4def990 (diff)
parentcec9ad279b66793bee0b5009b7ca311060061efd (diff)
downloadmrst-s0i3-test-49c13b51a15f1ba9f6d47e26e4a3886c4f3931e2.tar.gz
mrst-s0i3-test-49c13b51a15f1ba9f6d47e26e4a3886c4f3931e2.tar.xz
mrst-s0i3-test-49c13b51a15f1ba9f6d47e26e4a3886c4f3931e2.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (80 commits) KVM: Use CPU_DYING for disabling virtualization KVM: Tune hotplug/suspend IPIs KVM: Keep track of which cpus have virtualization enabled SMP: Allow smp_call_function_single() to current cpu i386: Allow smp_call_function_single() to current cpu x86_64: Allow smp_call_function_single() to current cpu HOTPLUG: Adapt thermal throttle to CPU_DYING HOTPLUG: Adapt cpuset hotplug callback to CPU_DYING HOTPLUG: Add CPU_DYING notifier KVM: Clean up #includes KVM: Remove kvmfs in favor of the anonymous inodes source KVM: SVM: Reliably detect if SVM was disabled by BIOS KVM: VMX: Remove unnecessary code in vmx_tlb_flush() KVM: MMU: Fix Wrong tlb flush order KVM: VMX: Reinitialize the real-mode tss when entering real mode KVM: Avoid useless memory write when possible KVM: Fix x86 emulator writeback KVM: Add support for in-kernel pio handlers KVM: VMX: Fix interrupt checking on lightweight exit KVM: Adds support for in-kernel mmio handlers ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/magic.h1
-rw-r--r--include/linux/notifier.h3
-rw-r--r--include/linux/smp.h7
3 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/magic.h b/include/linux/magic.h
index 9d713c03e3d..36cc20dfd14 100644
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -13,7 +13,6 @@
#define HPFS_SUPER_MAGIC 0xf995e849
#define ISOFS_SUPER_MAGIC 0x9660
#define JFFS2_SUPER_MAGIC 0x72b6
-#define KVMFS_SUPER_MAGIC 0x19700426
#define ANON_INODE_FS_MAGIC 0x09041934
#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 9431101bf87..576f2bb34cc 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -196,6 +196,8 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
#define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */
#define CPU_LOCK_ACQUIRE 0x0008 /* Acquire all hotcpu locks */
#define CPU_LOCK_RELEASE 0x0009 /* Release all hotcpu locks */
+#define CPU_DYING 0x000A /* CPU (unsigned)v not running any task,
+ * not handling interrupts, soon dead */
/* Used for CPU hotplug events occuring while tasks are frozen due to a suspend
* operation in progress
@@ -208,6 +210,7 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
#define CPU_DOWN_PREPARE_FROZEN (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN)
#define CPU_DOWN_FAILED_FROZEN (CPU_DOWN_FAILED | CPU_TASKS_FROZEN)
#define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN)
+#define CPU_DYING_FROZEN (CPU_DYING | CPU_TASKS_FROZEN)
#endif /* __KERNEL__ */
#endif /* _LINUX_NOTIFIER_H */
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 96ac21f8dd7..8039daced68 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -7,6 +7,7 @@
*/
#include <linux/errno.h>
+#include <asm/system.h>
extern void cpu_idle(void);
@@ -102,7 +103,11 @@ static inline void smp_send_reschedule(int cpu) { }
static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
void *info, int retry, int wait)
{
- return -EBUSY;
+ WARN_ON(cpuid != 0);
+ local_irq_disable();
+ func(info);
+ local_irq_enable();
+ return 0;
}
#endif /* !SMP */