From: tip-bot for WANG Chao <tipbot@zytor.com> To: linux-tip-commits@vger.kernel.org Cc: tglx@linutronix.de, mingo@kernel.org, tony.luck@intel.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, chao.wang@ucloud.cn, hpa@zytor.com, bp@suse.de Subject: [tip:ras/core] RAS/CEC: Increment cec_entered under the mutex lock Date: Sat, 20 Apr 2019 03:22:03 -0700 [thread overview] Message-ID: <tip-09cbd2197e9291d6a3d3f42873f06ca1f388c1a4@git.kernel.org> (raw) In-Reply-To: <20190418034115.75954-2-chao.wang@ucloud.cn> Commit-ID: 09cbd2197e9291d6a3d3f42873f06ca1f388c1a4 Gitweb: https://git.kernel.org/tip/09cbd2197e9291d6a3d3f42873f06ca1f388c1a4 Author: WANG Chao <chao.wang@ucloud.cn> AuthorDate: Thu, 18 Apr 2019 03:41:14 +0000 Committer: Borislav Petkov <bp@suse.de> CommitDate: Sat, 20 Apr 2019 12:16:52 +0200 RAS/CEC: Increment cec_entered under the mutex lock Modify ->cec_entered in the critical section of the mutex. Signed-off-by: WANG Chao <chao.wang@ucloud.cn> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20190418034115.75954-2-chao.wang@ucloud.cn --- drivers/ras/cec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 2d9ec378a8bc..88e4f3ff0cb8 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -286,10 +286,10 @@ int cec_add_elem(u64 pfn) if (!ce_arr.array || ce_arr.disabled) return -ENODEV; - ca->ces_entered++; - mutex_lock(&ce_mutex); + ca->ces_entered++; + if (ca->n == MAX_ELEMS) WARN_ON(!del_lru_elem_unlocked(ca));
WARNING: multiple messages have this Message-ID (diff)
From: tip-bot for Borislav Petkov <tipbot@zytor.com> To: linux-tip-commits@vger.kernel.org Cc: tglx@linutronix.de, mingo@kernel.org, tony.luck@intel.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, chao.wang@ucloud.cn, hpa@zytor.com, bp@suse.de Subject: [tip:ras/core] RAS/CEC: Increment cec_entered under the mutex lock Date: Sat, 20 Apr 2019 03:22:03 -0700 [thread overview] Message-ID: <tip-09cbd2197e9291d6a3d3f42873f06ca1f388c1a4@git.kernel.org> (raw) Commit-ID: 09cbd2197e9291d6a3d3f42873f06ca1f388c1a4 Gitweb: https://git.kernel.org/tip/09cbd2197e9291d6a3d3f42873f06ca1f388c1a4 Author: WANG Chao <chao.wang@ucloud.cn> AuthorDate: Thu, 18 Apr 2019 03:41:14 +0000 Committer: Borislav Petkov <bp@suse.de> CommitDate: Sat, 20 Apr 2019 12:16:52 +0200 RAS/CEC: Increment cec_entered under the mutex lock Modify ->cec_entered in the critical section of the mutex. Signed-off-by: WANG Chao <chao.wang@ucloud.cn> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20190418034115.75954-2-chao.wang@ucloud.cn --- drivers/ras/cec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 2d9ec378a8bc..88e4f3ff0cb8 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -286,10 +286,10 @@ int cec_add_elem(u64 pfn) if (!ce_arr.array || ce_arr.disabled) return -ENODEV; - ca->ces_entered++; - mutex_lock(&ce_mutex); + ca->ces_entered++; + if (ca->n == MAX_ELEMS) WARN_ON(!del_lru_elem_unlocked(ca));
next prev parent reply other threads:[~2019-04-20 10:27 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-18 3:41 [PATCH 1/3] RAS/CEC: fix __find_elem WANG Chao 2019-04-18 3:41 ` [1/3] " WANG Chao 2019-04-18 3:41 ` [PATCH 2/3] RAS/CEC: make ces_entered smp safe WANG Chao 2019-04-18 3:41 ` [2/3] " WANG Chao 2019-04-20 10:19 ` [tip:ras/core] RAS/CEC: Increment cec_entered under the mutex lock tip-bot for WANG Chao 2019-04-20 10:19 ` tip-bot for Borislav Petkov 2019-04-20 10:22 ` tip-bot for WANG Chao [this message] 2019-04-20 10:22 ` tip-bot for Borislav Petkov 2019-04-18 3:41 ` [PATCH 3/3] RAS/CEC: immediate soft-offline page when count_threshold == 1 WANG Chao 2019-04-18 3:41 ` [3/3] " WANG Chao 2019-04-20 11:57 ` [PATCH 3/3] " Borislav Petkov 2019-04-20 11:57 ` [3/3] " Borislav Petkov 2019-04-24 2:43 ` [PATCH 3/3] " WANG Chao 2019-04-24 2:43 ` [3/3] " WANG Chao 2019-04-24 10:26 ` [PATCH 3/3] " Borislav Petkov 2019-04-24 10:26 ` [3/3] " Borislav Petkov 2019-06-08 21:26 ` [tip:ras/core] RAS/CEC: Check count_threshold unconditionally tip-bot for Borislav Petkov 2019-04-25 7:56 ` [PATCH 1/3] RAS/CEC: fix __find_elem WANG Chao 2019-04-25 7:56 ` [1/3] " WANG Chao 2019-04-25 8:05 ` [PATCH 1/3] " WANG Chao 2019-04-25 8:05 ` [1/3] " WANG Chao
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=tip-09cbd2197e9291d6a3d3f42873f06ca1f388c1a4@git.kernel.org \ --to=tipbot@zytor.com \ --cc=bp@suse.de \ --cc=chao.wang@ucloud.cn \ --cc=hpa@zytor.com \ --cc=linux-edac@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-tip-commits@vger.kernel.org \ --cc=mingo@kernel.org \ --cc=tglx@linutronix.de \ --cc=tony.luck@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.