763b78040d
config handling stack overflow CVE-2015-3259-xsa137.patch - Upstream patches from Jan 558bfaa0-x86-traps-avoid-using-current-too-early.patch 5592a116-nested-EPT-fix-the-handling-of-nested-EPT.patch 559b9dd6-x86-p2m-ept-don-t-unmap-in-use-EPT-pagetable.patch 559bdde5-pull-in-latest-linux-earlycpio.patch - Upstream patches from Jan pending review 552d0fd2-x86-hvm-don-t-include-asm-spinlock-h.patch 552d0fe8-x86-mtrr-include-asm-atomic.h.patch 552d293b-x86-vMSI-X-honor-all-mask-requests.patch 552d2966-x86-vMSI-X-add-valid-bits-for-read-acceleration.patch 554c7aee-x86-provide-arch_fetch_and_add.patch 554c7b00-arm-provide-arch_fetch_and_add.patch 55534b0a-x86-provide-add_sized.patch 55534b25-arm-provide-add_sized.patch 5555a4f8-use-ticket-locks-for-spin-locks.patch 5555a5b9-x86-arm-remove-asm-spinlock-h.patch 5555a8ec-introduce-non-contiguous-allocation.patch 55795a52-x86-vMSI-X-support-qword-MMIO-access.patch 557eb55f-gnttab-per-active-entry-locking.patch 557eb5b6-gnttab-introduce-maptrack-lock.patch 557eb620-gnttab-make-the-grant-table-lock-a-read-write-lock.patch 557ffab8-evtchn-factor-out-freeing-an-event-channel.patch 5582bf43-evtchn-simplify-port_is_valid.patch 5582bf81-evtchn-remove-the-locking-when-unmasking-an-event-channel.patch 5583d9c5-x86-MSI-X-cleanup.patch 5583da09-x86-MSI-track-host-and-guest-masking-separately.patch 5583da64-gnttab-use-per-VCPU-maptrack-free-lists.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=369
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
# Commit a622b5ade2bdf79ad95e6088a4041e75253c43f3
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# Date 2015-06-16 12:30:16 +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: factor out freeing an event channel
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We're going to want to free an event channel from two places. Factor out
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the code into a free_evtchn() function.
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Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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--- sle12sp1.orig/xen/common/event_channel.c 2015-07-08 12:33:47.000000000 +0200
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+++ sle12sp1/xen/common/event_channel.c 2015-07-08 13:53:49.000000000 +0200
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@@ -194,6 +194,17 @@ static int get_free_port(struct domain *
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return port;
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}
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+static void free_evtchn(struct domain *d, struct evtchn *chn)
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+{
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+ /* Clear pending event to avoid unexpected behavior on re-bind. */
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+ evtchn_port_clear_pending(d, chn);
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+
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+ /* Reset binding to vcpu0 when the channel is freed. */
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+ chn->state = ECS_FREE;
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+ chn->notify_vcpu_id = 0;
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+
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+ xsm_evtchn_close_post(chn);
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+}
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static long evtchn_alloc_unbound(evtchn_alloc_unbound_t *alloc)
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{
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@@ -571,14 +582,7 @@ static long __evtchn_close(struct domain
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BUG();
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}
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- /* Clear pending event to avoid unexpected behavior on re-bind. */
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- evtchn_port_clear_pending(d1, chn1);
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-
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- /* Reset binding to vcpu0 when the channel is freed. */
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- chn1->state = ECS_FREE;
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- chn1->notify_vcpu_id = 0;
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-
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- xsm_evtchn_close_post(chn1);
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+ free_evtchn(d1, chn1);
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out:
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if ( d2 != NULL )
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