c9e3853c04
24448-x86-pt-irq-leak.patch - Upstream patches from Jan 24261-x86-cpuidle-Westmere-EX.patch 24417-amd-erratum-573.patch 24429-mceinj-tool.patch 24447-x86-TXT-INIT-SIPI-delay.patch ioemu-9868-MSI-X.patch - bnc#732884 - remove private runlevel 4 from init scripts xen.no-default-runlevel-4.patch - bnc#727515 - Fragmented packets hang network boot of HVM guest ipxe-gcc45-warnings.patch ipxe-ipv4-fragment.patch ipxe-enable-nics.patch - fate#310510 - fix xenpaging update xenpaging.autostart.patch, make changes with mem-swap-target permanent update xenpaging.doc.patch, mention issues with live migration - fate#310510 - fix xenpaging add xenpaging.evict_mmap_readonly.patch update xenpaging.error-handling.patch, reduce debug output - bnc#736824 - Microcode patches for AMD's 15h processors panic the system 24189-x86-p2m-pod-locking.patch 24412-x86-AMD-errata-model-shift.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=164
70 lines
2.1 KiB
Diff
70 lines
2.1 KiB
Diff
changeset: 24231:2a81ce2b2b93
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user: Keir Fraser <keir@xen.org>
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date: Fri Nov 25 20:27:11 2011 +0000
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files: xen/common/wait.c xen/include/xen/wait.h
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description:
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waitqueue: Implement wake_up_{nr,one,all}.
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Signed-off-by: Keir Fraser <keir@xen.org>
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---
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xen/common/wait.c | 14 ++++++++++++--
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xen/include/xen/wait.h | 6 ++++--
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2 files changed, 16 insertions(+), 4 deletions(-)
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Index: xen-4.1.2-testing/xen/common/wait.c
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===================================================================
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--- xen-4.1.2-testing.orig/xen/common/wait.c
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+++ xen-4.1.2-testing/xen/common/wait.c
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@@ -87,13 +87,13 @@ void init_waitqueue_head(struct waitqueu
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INIT_LIST_HEAD(&wq->list);
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}
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-void wake_up(struct waitqueue_head *wq)
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+void wake_up_nr(struct waitqueue_head *wq, unsigned int nr)
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{
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struct waitqueue_vcpu *wqv;
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spin_lock(&wq->lock);
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- while ( !list_empty(&wq->list) )
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+ while ( !list_empty(&wq->list) && nr-- )
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{
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wqv = list_entry(wq->list.next, struct waitqueue_vcpu, list);
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list_del_init(&wqv->list);
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@@ -103,6 +103,16 @@ void wake_up(struct waitqueue_head *wq)
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spin_unlock(&wq->lock);
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}
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+void wake_up_one(struct waitqueue_head *wq)
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+{
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+ wake_up_nr(wq, 1);
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+}
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+
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+void wake_up_all(struct waitqueue_head *wq)
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+{
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+ wake_up_nr(wq, UINT_MAX);
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+}
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+
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#ifdef CONFIG_X86
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static void __prepare_to_wait(struct waitqueue_vcpu *wqv)
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Index: xen-4.1.2-testing/xen/include/xen/wait.h
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===================================================================
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--- xen-4.1.2-testing.orig/xen/include/xen/wait.h
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+++ xen-4.1.2-testing/xen/include/xen/wait.h
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@@ -28,8 +28,10 @@ struct waitqueue_head {
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/* Dynamically initialise a waitqueue. */
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void init_waitqueue_head(struct waitqueue_head *wq);
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-/* Wake all VCPUs waiting on specified waitqueue. */
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-void wake_up(struct waitqueue_head *wq);
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+/* Wake VCPU(s) waiting on specified waitqueue. */
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+void wake_up_nr(struct waitqueue_head *wq, unsigned int nr);
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+void wake_up_one(struct waitqueue_head *wq);
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+void wake_up_all(struct waitqueue_head *wq);
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/* Wait on specified waitqueue until @condition is true. */
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#define wait_event(wq, condition) \
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