From: Olaf Hering <olaf@aepfle.de>
To: xen-devel@lists.xensource.com
Subject: [PATCH 05 of 12] xenpaging: catch xc_mem_paging_resume errors
Date: Tue, 07 Jun 2011 11:53:07 +0200 [thread overview]
Message-ID: <8eb07742f96854303ad7.1307440387@probook.site> (raw)
In-Reply-To: <patchbomb.1307440382@probook.site>
# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# 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@aepfle.de>
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;
next prev parent reply other threads:[~2011-06-07 9:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-07 9:53 [PATCH 00 of 12] xenpaging fixes for xen-unstable Olaf Hering
2011-06-07 9:53 ` [PATCH 01 of 12] xenpaging: correct dropping of pages to avoid full ring buffer Olaf Hering
2011-06-07 9:53 ` [PATCH 02 of 12] xenpaging: do not bounce p2mt to xenpaging Olaf Hering
2011-06-07 9:53 ` [PATCH 03 of 12] xenpaging: remove srand call Olaf Hering
2011-06-07 9:53 ` [PATCH 04 of 12] xenpaging: remove return values from functions that can not fail Olaf Hering
2011-06-07 9:53 ` Olaf Hering [this message]
2011-06-07 9:53 ` [PATCH 06 of 12] xenpaging: remove local domain_id variable Olaf Hering
2011-06-07 9:53 ` [PATCH 07 of 12] xenpaging: move num_pages into xenpaging struct Olaf Hering
2011-06-07 9:53 ` [PATCH 08 of 12] xenpaging: start paging in the middle of gfn range Olaf Hering
2011-06-07 9:53 ` [PATCH 09 of 12] xenpaging: pass integer to xenpaging_populate_page Olaf Hering
2011-06-07 9:53 ` [PATCH 10 of 12] xenpaging: add helper function for unlinking pagefile Olaf Hering
2011-06-07 9:53 ` [PATCH 11 of 12] xenpaging: add watch thread to catch guest shutdown Olaf Hering
2011-06-07 10:23 ` Ian Campbell
2011-06-07 19:07 ` Olaf Hering
2011-06-07 9:53 ` [PATCH 12 of 12] xenpaging: implement stopping of pager by sending SIGTERM/SIGINT Olaf Hering
2011-06-07 12:27 ` [PATCH 00 of 12] xenpaging fixes for xen-unstable Keir Fraser
2011-06-07 13:38 ` Olaf Hering
2011-06-08 16:01 ` Keir Fraser
2011-06-10 7:28 ` Keir Fraser
2011-06-10 11:27 ` Olaf Hering
2011-06-10 12:52 ` Keir Fraser
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