8724a18868
config handling stack overflow 55a62eb0-xl-correct-handling-of-extra_config-in-main_cpupoolcreate.patch - bsc#907514 - Bus fatal error & sles12 sudden reboot has been observed - bsc#910258 - SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984 - Bus fatal error & sles11-SP4 sudden reboot has been observed - bsc#923967 - Partner-L3: Bus fatal error & sles11-SP3 sudden reboot has been observed 552d293b-x86-vMSI-X-honor-all-mask-requests.patch 552d2966-x86-vMSI-X-add-valid-bits-for-read-acceleration.patch 5576f143-x86-adjust-PV-I-O-emulation-functions-types.patch 55795a52-x86-vMSI-X-support-qword-MMIO-access.patch 5583d9c5-x86-MSI-X-cleanup.patch 5583da09-x86-MSI-track-host-and-guest-masking-separately.patch 55b0a218-x86-PCI-CFG-write-intercept.patch 55b0a255-x86-MSI-X-maskall.patch 55b0a283-x86-MSI-X-teardown.patch 55b0a2ab-x86-MSI-X-enable.patch 55b0a2db-x86-MSI-track-guest-masking.patch - Upstream patches from Jan 552d0f49-x86-traps-identify-the-vcpu-in-context-when-dumping-regs.patch 559bc633-x86-cpupool-clear-proper-cpu_valid-bit-on-CPU-teardown.patch 559bc64e-credit1-properly-deal-with-CPUs-not-in-any-pool.patch 559bc87f-x86-hvmloader-avoid-data-corruption-with-xenstore-rw.patch 55a66a1e-make-rangeset_report_ranges-report-all-ranges.patch 55a77e4f-dmar-device-scope-mem-leak-fix.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=373
33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
# Commit e156654d4eb2fdeb524e6b40838767a5dc918966
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# Date 2015-06-18 14:54:25 +0200
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# Author David Vrabel <david.vrabel@citrix.com>
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# Committer Jan Beulich <jbeulich@suse.com>
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evtchn: remove the locking when unmasking an event channel
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The event channel lock is no longer required to check if the port is
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valid.
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Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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--- a/xen/common/event_channel.c
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+++ b/xen/common/event_channel.c
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@@ -931,8 +931,6 @@ int evtchn_unmask(unsigned int port)
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struct domain *d = current->domain;
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struct evtchn *evtchn;
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- ASSERT(spin_is_locked(&d->event_lock));
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-
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if ( unlikely(!port_is_valid(d, port)) )
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return -EINVAL;
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@@ -1099,9 +1097,7 @@ long do_event_channel_op(int cmd, XEN_GU
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struct evtchn_unmask unmask;
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if ( copy_from_guest(&unmask, arg, 1) != 0 )
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return -EFAULT;
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- spin_lock(¤t->domain->event_lock);
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rc = evtchn_unmask(unmask.port);
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- spin_unlock(¤t->domain->event_lock);
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break;
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}
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