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linux/include/xen
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SeongJae Park 3dc86ca6b4 xen/xenbus: Count pending messages for each watch 
This commit adds a counter of pending messages for each watch in the
struct.  It is used to skip unnecessary pending messages lookup in
'unregister_xenbus_watch()'.  It could also be used in 'will_handle'
callback.

This is part of XSA-349

Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-12-14 10:07:13 +01:00
..
arm arm/arm64: xen: Fix to convert percpu address to gfn correctly 2020-10-07 07:08:43 +02:00
interface xen: branch for v5.9-rc1b 2020-08-14 13:34:37 -07:00
acpi.h xen / ACPI: notify xen when reduced hardware sleep is available 2013-07-31 14:22:35 +02:00
balloon.h xen/balloon: add header guard 2020-09-04 09:59:53 +02:00
events.h xen: remove no longer used functions 2020-10-23 05:41:25 -05:00
features.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
grant_table.h xen: don't use page->lru for ZONE_DEVICE memory 2020-12-09 10:31:41 +01:00
hvc-console.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hvm.h xen: Move xen_setup_callback_vector() definition to include/xen/hvm.h 2020-06-11 15:15:19 +02:00
mem-reservation.h xen/balloon: add runtime control for scrubbing ballooned out pages 2018-09-14 08:51:10 -04:00
page.h swiotlb-xen: remove XEN_PFN_PHYS 2020-08-04 07:50:43 +02:00
platform_pci.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
swiotlb-xen.h xen/arm: introduce phys/dma translations in xen_dma_sync_for_* 2020-08-04 07:53:52 +02:00
xen-front-pgdir-shbuf.h xen: Introduce shared buffer helpers for page directory... 2018-12-18 12:15:55 -05:00
xen-ops.h x86/entry: Switch XEN/PV hypercall entry to IDTENTRY 2020-06-11 15:15:08 +02:00
xen.h xen: add helpers to allocate unpopulated memory 2020-09-04 10:00:01 +02:00
xenbus_dev.h xenbus: Add support for xenbus backend in stub domain 2012-05-21 09:53:18 -04:00
xenbus.h xen/xenbus: Count pending messages for each watch 2020-12-14 10:07:13 +01:00