From: Byungchul Park <byungchul.park@lge.com> To: peterz@infradead.org, mingo@kernel.org Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tj@kernel.org, johannes.berg@intel.com, oleg@redhat.com, amir73il@gmail.com, david@fromorbit.com, darrick.wong@oracle.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, hch@infradead.org, idryomov@gmail.com, kernel-team@lge.com Subject: [PATCH v2 1/4] completion: Add support for initializing completion with lockdep_map Date: Thu, 19 Oct 2017 16:03:24 +0900 [thread overview] Message-ID: <1508396607-25362-2-git-send-email-byungchul.park@lge.com> (raw) In-Reply-To: <1508396607-25362-1-git-send-email-byungchul.park@lge.com> Sometimes, we want to initialize completions with sparate lockdep maps to assign lock classes under control. For example, the workqueue code manages lockdep maps, as it can classify lockdep maps properly. Provided a function for that purpose. Signed-off-by: Byungchul Park <byungchul.park@lge.com> --- include/linux/completion.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/completion.h b/include/linux/completion.h index cae5400..182d56e 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -49,6 +49,13 @@ static inline void complete_release_commit(struct completion *x) lock_commit_crosslock((struct lockdep_map *)&x->map); } +#define init_completion_with_map(x, m) \ +do { \ + lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \ + (m)->name, (m)->key, 0); \ + __init_completion(x); \ +} while (0) + #define init_completion(x) \ do { \ static struct lock_class_key __key; \ @@ -58,6 +65,7 @@ static inline void complete_release_commit(struct completion *x) __init_completion(x); \ } while (0) #else +#define init_completion_with_map(x, m) __init_completion(x) #define init_completion(x) __init_completion(x) static inline void complete_acquire(struct completion *x) {} static inline void complete_release(struct completion *x) {} -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Byungchul Park <byungchul.park@lge.com> To: peterz@infradead.org, mingo@kernel.org Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tj@kernel.org, johannes.berg@intel.com, oleg@redhat.com, amir73il@gmail.com, david@fromorbit.com, darrick.wong@oracle.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, hch@infradead.org, idryomov@gmail.com, kernel-team@lge.com Subject: [PATCH v2 1/4] completion: Add support for initializing completion with lockdep_map Date: Thu, 19 Oct 2017 16:03:24 +0900 [thread overview] Message-ID: <1508396607-25362-2-git-send-email-byungchul.park@lge.com> (raw) In-Reply-To: <1508396607-25362-1-git-send-email-byungchul.park@lge.com> Sometimes, we want to initialize completions with sparate lockdep maps to assign lock classes under control. For example, the workqueue code manages lockdep maps, as it can classify lockdep maps properly. Provided a function for that purpose. Signed-off-by: Byungchul Park <byungchul.park@lge.com> --- include/linux/completion.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/completion.h b/include/linux/completion.h index cae5400..182d56e 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -49,6 +49,13 @@ static inline void complete_release_commit(struct completion *x) lock_commit_crosslock((struct lockdep_map *)&x->map); } +#define init_completion_with_map(x, m) \ +do { \ + lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \ + (m)->name, (m)->key, 0); \ + __init_completion(x); \ +} while (0) + #define init_completion(x) \ do { \ static struct lock_class_key __key; \ @@ -58,6 +65,7 @@ static inline void complete_release_commit(struct completion *x) __init_completion(x); \ } while (0) #else +#define init_completion_with_map(x, m) __init_completion(x) #define init_completion(x) __init_completion(x) static inline void complete_acquire(struct completion *x) {} static inline void complete_release(struct completion *x) {} -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-10-19 7:03 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-10-19 5:55 [PATCH v2 0/3] crossrelease: make it not unwind by default Byungchul Park 2017-10-19 5:55 ` Byungchul Park 2017-10-19 5:55 ` [PATCH v2 1/3] lockdep: Introduce CROSSRELEASE_STACK_TRACE and make it not unwind as default Byungchul Park 2017-10-19 5:55 ` Byungchul Park 2017-10-19 5:55 ` [PATCH v2 2/3] lockdep: Remove BROKEN flag of LOCKDEP_CROSSRELEASE Byungchul Park 2017-10-19 5:55 ` Byungchul Park 2017-10-19 15:05 ` Bart Van Assche 2017-10-19 15:05 ` Bart Van Assche 2017-10-19 15:34 ` Thomas Gleixner 2017-10-19 15:34 ` Thomas Gleixner 2017-10-19 15:47 ` Bart Van Assche 2017-10-19 19:04 ` Thomas Gleixner 2017-10-19 19:04 ` Thomas Gleixner 2017-10-19 19:12 ` Thomas Gleixner 2017-10-19 19:12 ` Thomas Gleixner 2017-10-19 20:21 ` Bart Van Assche 2017-10-19 20:21 ` Bart Van Assche 2017-10-19 20:33 ` Matthew Wilcox 2017-10-19 20:33 ` Matthew Wilcox 2017-10-19 20:41 ` Bart Van Assche 2017-10-19 20:53 ` Thomas Gleixner 2017-10-19 20:53 ` Thomas Gleixner 2017-10-19 20:49 ` Thomas Gleixner 2017-10-19 20:49 ` Thomas Gleixner 2017-10-20 7:30 ` Ingo Molnar 2017-10-20 7:30 ` Ingo Molnar 2017-10-20 6:03 ` Byungchul Park 2017-10-20 6:03 ` Byungchul Park 2017-10-19 5:55 ` [PATCH v2 3/3] lockdep: Add a kernel parameter, crossrelease_fullstack Byungchul Park 2017-10-19 5:55 ` Byungchul Park 2017-10-19 7:03 ` [PATCH v2 0/4] Fix false positives by cross-release feature Byungchul Park 2017-10-19 7:03 ` Byungchul Park 2017-10-19 7:03 ` Byungchul Park [this message] 2017-10-19 7:03 ` [PATCH v2 1/4] completion: Add support for initializing completion with lockdep_map Byungchul Park 2017-10-19 7:03 ` [PATCH v2 2/4] lockdep: Remove unnecessary acquisitions wrt workqueue flush Byungchul Park 2017-10-19 7:03 ` Byungchul Park 2017-10-19 7:03 ` [PATCH v2 3/4] genhd.h: Remove trailing white space Byungchul Park 2017-10-19 7:03 ` Byungchul Park 2017-10-19 7:03 ` [PATCH v2 4/4] lockdep: Assign a lock_class per gendisk used for wait_for_completion() Byungchul Park 2017-10-19 7:03 ` Byungchul Park 2017-10-20 14:44 ` Christoph Hellwig 2017-10-20 14:44 ` Christoph Hellwig 2017-10-20 14:44 ` Christoph Hellwig 2017-10-22 23:53 ` Byungchul Park 2017-10-22 23:53 ` Byungchul Park 2017-10-23 6:36 ` Christoph Hellwig 2017-10-23 6:36 ` Christoph Hellwig 2017-10-23 7:04 ` Byungchul Park 2017-10-23 7:04 ` Byungchul Park 2017-10-21 19:17 ` kbuild test robot
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=1508396607-25362-2-git-send-email-byungchul.park@lge.com \ --to=byungchul.park@lge.com \ --cc=amir73il@gmail.com \ --cc=darrick.wong@oracle.com \ --cc=david@fromorbit.com \ --cc=hch@infradead.org \ --cc=idryomov@gmail.com \ --cc=johannes.berg@intel.com \ --cc=kernel-team@lge.com \ --cc=linux-block@vger.kernel.org \ --cc=linux-fsdevel@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=linux-xfs@vger.kernel.org \ --cc=mingo@kernel.org \ --cc=oleg@redhat.com \ --cc=peterz@infradead.org \ --cc=tglx@linutronix.de \ --cc=tj@kernel.org \ /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.