[meta-virtualization] [PATCH] criu: Don't open /run/criu.kdat if doesn't exists
Hongzhi.Song
hongzhi.song at windriver.com
Mon Nov 26 18:22:15 PST 2018
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 at windriver.com>
---
recipes-containers/criu/criu_git.bb | 1 +
...on-t-open-run-criu.kdat-if-doesn-t-exists.patch | 42 ++++++++++++++++++++++
2 files changed, 43 insertions(+)
create mode 100644 recipes-containers/criu/files/0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch
diff --git a/recipes-containers/criu/criu_git.bb b/recipes-containers/criu/criu_git.bb
index 00de417..45195ea 100644
--- a/recipes-containers/criu/criu_git.bb
+++ b/recipes-containers/criu/criu_git.bb
@@ -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"
diff --git a/recipes-containers/criu/files/0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch b/recipes-containers/criu/files/0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch
new file mode 100644
index 0000000..805f799
--- /dev/null
+++ b/recipes-containers/criu/files/0001-kdat-Don-t-open-run-criu.kdat-if-doesn-t-exists.patch
@@ -0,0 +1,42 @@
+From b9760919eb3f805dd3d2af5692b49cba9c468595 Mon Sep 17 00:00:00 2001
+From: "Hongzhi.Song" <hongzhi.song at 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 at gmail.com>
+Signed-off-by: Andrei Vagin <avagin at virtuozzo.com>
+
+Upstream-Status: Backport [https://github.com/checkpoint-restore/criu/commit/868de91a099c00f099d8a41557d660d173f72521]
+
+Signed-off-by: Hongzhi.Song <hongzhi.song at 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
+
--
2.8.1
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