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criu: Don't open /run/criu.kdat if doesn't exists

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When CRIU is called for a first time and the /run/criu.kdat file does
not exists, the following warning is shown:
        Warn  (criu/kerndat.c:847): Can't load /run/criu.kdat

This patch is replacing this warning with a more appropriate debug
message.
        File /run/criu.kdat does not exist

Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
This commit is contained in:
Hongzhi.Song 2018-11-26 21:22:15 -05:00 committed by Bruce Ashfield
parent 338707dfc7
commit 47dd312669
2 changed files with 43 additions and 0 deletions
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1
recipes-containers/criu/criu_git.bb
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@ -21,6 +21,7 @@ SRC_URI = "git://github.com/xemul/criu.git;protocol=git \
file://0002-criu-Skip-documentation-install.patch \
file://0001-criu-Change-libraries-install-directory.patch \
file://lib-Makefile-overwrite-install-lib-to-allow-multiarc.patch \
file://0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch \
"
COMPATIBLE_HOST = "(x86_64|arm|aarch64).*-linux"

42
recipes-containers/criu/files/0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch Normal file
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@ -0,0 +1,42 @@
From b9760919eb3f805dd3d2af5692b49cba9c468595 Mon Sep 17 00:00:00 2001
From: "Hongzhi.Song" <hongzhi.song@windriver.com>
Date: Mon, 26 Nov 2018 02:39:59 -0500
Subject: [PATCH] kdat: Don't open /run/criu.kdat if doesn't exists
When CRIU is called for a first time and the /run/criu.kdat file does
not exists, the following warning is shown:
Warn (criu/kerndat.c:847): Can't load /run/criu.kdat
This patch is replacing this warning with a more appropriate debug
message.
File /run/criu.kdat does not exist
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
Upstream-Status: Backport [https://github.com/checkpoint-restore/criu/commit/868de91a099c00f099d8a41557d660d173f72521]
Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com>
---
criu/kerndat.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/criu/kerndat.c b/criu/kerndat.c
index 8cb5690..9fb475c 100644
--- a/criu/kerndat.c
+++ b/criu/kerndat.c
@@ -789,7 +789,10 @@ static int kerndat_try_load_cache(void)
fd = open(KERNDAT_CACHE_FILE, O_RDONLY);
if (fd < 0) {
- pr_warn("Can't load %s\n", KERNDAT_CACHE_FILE);
+ if(ENOENT == errno)
+ pr_debug("File %s does not exist\n", KERNDAT_CACHE_FILE);
+ else
+ pr_warn("Can't load %s\n", KERNDAT_CACHE_FILE);
return 1;
}
--
2.8.1