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xen-devel
[Xen-devel] [PATCH 05 of 12] xenpaging: catch xc_mem_paging_resume error
# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1307437214 -7200
# Node ID 8eb07742f96854303ad7793f9319cd314dcf7be3
# Parent c31636354b69164c06e86feed58f9713656b8f0c
xenpaging: catch xc_mem_paging_resume errors
In the unlikely event that xc_mem_paging_resume() fails, do not overwrite the
error with the return value from xc_evtchn_notify()
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
diff -r c31636354b69 -r 8eb07742f968 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c Tue Jun 07 11:00:12 2011 +0200
+++ b/tools/xenpaging/xenpaging.c Tue Jun 07 11:00:14 2011 +0200
@@ -405,8 +405,9 @@ static int xenpaging_resume_page(xenpagi
/* Tell Xen page is ready */
ret = xc_mem_paging_resume(paging->xc_handle, paging->mem_event.domain_id,
rsp->gfn);
- ret = xc_evtchn_notify(paging->mem_event.xce_handle,
- paging->mem_event.port);
+ if ( ret == 0 )
+ ret = xc_evtchn_notify(paging->mem_event.xce_handle,
+ paging->mem_event.port);
out:
return ret;
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- [Xen-devel] [PATCH 00 of 12] xenpaging fixes for xen-unstable, Olaf Hering
- [Xen-devel] [PATCH 01 of 12] xenpaging: correct dropping of pages to avoid full ring buffer, Olaf Hering
- [Xen-devel] [PATCH 03 of 12] xenpaging: remove srand call, Olaf Hering
- [Xen-devel] [PATCH 04 of 12] xenpaging: remove return values from functions that can not fail, Olaf Hering
- [Xen-devel] [PATCH 05 of 12] xenpaging: catch xc_mem_paging_resume errors,
Olaf Hering <=
- [Xen-devel] [PATCH 06 of 12] xenpaging: remove local domain_id variable, Olaf Hering
- [Xen-devel] [PATCH 08 of 12] xenpaging: start paging in the middle of gfn range, Olaf Hering
- [Xen-devel] [PATCH 07 of 12] xenpaging: move num_pages into xenpaging struct, Olaf Hering
- [Xen-devel] [PATCH 09 of 12] xenpaging: pass integer to xenpaging_populate_page, Olaf Hering
- [Xen-devel] [PATCH 11 of 12] xenpaging: add watch thread to catch guest shutdown, Olaf Hering
- [Xen-devel] [PATCH 10 of 12] xenpaging: add helper function for unlinking pagefile, Olaf Hering
- [Xen-devel] [PATCH 02 of 12] xenpaging: do not bounce p2mt to xenpaging, Olaf Hering
- [Xen-devel] [PATCH 12 of 12] xenpaging: implement stopping of pager by sending SIGTERM/SIGINT, Olaf Hering
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