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| Started by | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| First post | 2016-08-12 00:30 +0200 |
| Last post | 2016-08-12 10:30 +0200 |
| Articles | 6 — 2 participants |
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[PATCH memory-barriers.txt 1/4] memory-barriers.txt: Maintain consistent blank line "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-08-12 00:30 +0200
[PATCH memory-barriers.txt 2/4] memory-barriers.txt: Fix wrong section reference "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-08-12 00:30 +0200
[tip:locking/core] locking/Documentation: Fix wrong section reference tip-bot for SeongJae Park <tipbot@zytor.com> - 2016-08-12 10:30 +0200
[PATCH memory-barriers.txt 3/4] Doc/memory-barriers: Fix a typo of example result "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-08-12 00:30 +0200
[tip:locking/core] locking/Documentation: Fix a typo of example result tip-bot for SeongJae Park <tipbot@zytor.com> - 2016-08-12 10:30 +0200
[tip:locking/core] locking/Documentation: Maintain consistent blank line tip-bot for SeongJae Park <tipbot@zytor.com> - 2016-08-12 10:30 +0200
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Date | 2016-08-12 00:30 +0200 |
| Subject | [PATCH memory-barriers.txt 1/4] memory-barriers.txt: Maintain consistent blank line |
| Message-ID | <s56E9-1t7-1@gated-at.bofh.it> |
From: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
Documentation/memory-barriers.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index a4d0a99de04d..e1926a096818 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -1928,6 +1928,7 @@ There are some more advanced barrier functions:
See Documentation/DMA-API.txt for more information on consistent memory.
+
MMIO WRITE BARRIER
------------------
--
2.5.2
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| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Date | 2016-08-12 00:30 +0200 |
| Subject | [PATCH memory-barriers.txt 2/4] memory-barriers.txt: Fix wrong section reference |
| Message-ID | <s56Ea-1t7-9@gated-at.bofh.it> |
| In reply to | #1460834 |
From: SeongJae Park <sj38.park@gmail.com> Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- Documentation/memory-barriers.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index e1926a096818..19c8eb6f246e 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -2076,7 +2076,7 @@ systems, and so cannot be counted on in such a situation to actually achieve anything at all - especially with respect to I/O accesses - unless combined with interrupt disabling operations. -See also the section on "Inter-CPU locking barrier effects". +See also the section on "Inter-CPU acquiring barrier effects". As an example, consider the following: -- 2.5.2
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| From | tip-bot for SeongJae Park <tipbot@zytor.com> |
|---|---|
| Date | 2016-08-12 10:30 +0200 |
| Subject | [tip:locking/core] locking/Documentation: Fix wrong section reference |
| Message-ID | <s5g0N-7Fi-5@gated-at.bofh.it> |
| In reply to | #1460835 |
Commit-ID: d7cab36db83be458e8987ae352902958977e7925 Gitweb: http://git.kernel.org/tip/d7cab36db83be458e8987ae352902958977e7925 Author: SeongJae Park <sj38.park@gmail.com> AuthorDate: Thu, 11 Aug 2016 11:17:41 -0700 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 12 Aug 2016 08:24:13 +0200 locking/Documentation: Fix wrong section reference Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dhowells@redhat.com Cc: linux-arch@vger.kernel.org Cc: will.deacon@arm.com Link: http://lkml.kernel.org/r/1470939463-31950-2-git-send-email-paulmck@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- Documentation/memory-barriers.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index e1926a0..19c8eb6 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -2076,7 +2076,7 @@ systems, and so cannot be counted on in such a situation to actually achieve anything at all - especially with respect to I/O accesses - unless combined with interrupt disabling operations. -See also the section on "Inter-CPU locking barrier effects". +See also the section on "Inter-CPU acquiring barrier effects". As an example, consider the following:
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| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Date | 2016-08-12 00:30 +0200 |
| Subject | [PATCH memory-barriers.txt 3/4] Doc/memory-barriers: Fix a typo of example result |
| Message-ID | <s56Ea-1t7-15@gated-at.bofh.it> |
| In reply to | #1460834 |
From: SeongJae Park <sj38.park@gmail.com> An example result for data dependent write has a typo. This commit fixes the wrong typo. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- Documentation/memory-barriers.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 19c8eb6f246e..ba818ecce6f9 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -609,7 +609,7 @@ A data-dependency barrier must also order against dependent writes: The data-dependency barrier must order the read into Q with the store into *Q. This prohibits this outcome: - (Q == B) && (B == 4) + (Q == &B) && (B == 4) Please note that this pattern should be rare. After all, the whole point of dependency ordering is to -prevent- writes to the data structure, along -- 2.5.2
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| From | tip-bot for SeongJae Park <tipbot@zytor.com> |
|---|---|
| Date | 2016-08-12 10:30 +0200 |
| Subject | [tip:locking/core] locking/Documentation: Fix a typo of example result |
| Message-ID | <s5g0N-7Fi-15@gated-at.bofh.it> |
| In reply to | #1460839 |
Commit-ID: 8b9e771555745a029557a0a481e760fb84376a35 Gitweb: http://git.kernel.org/tip/8b9e771555745a029557a0a481e760fb84376a35 Author: SeongJae Park <sj38.park@gmail.com> AuthorDate: Thu, 11 Aug 2016 11:17:42 -0700 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 12 Aug 2016 08:24:13 +0200 locking/Documentation: Fix a typo of example result An example result for data dependent write has a typo. This commit fixes the wrong typo. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dhowells@redhat.com Cc: linux-arch@vger.kernel.org Cc: will.deacon@arm.com Link: http://lkml.kernel.org/r/1470939463-31950-3-git-send-email-paulmck@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- Documentation/memory-barriers.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 19c8eb6..ba818ec 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -609,7 +609,7 @@ A data-dependency barrier must also order against dependent writes: The data-dependency barrier must order the read into Q with the store into *Q. This prohibits this outcome: - (Q == B) && (B == 4) + (Q == &B) && (B == 4) Please note that this pattern should be rare. After all, the whole point of dependency ordering is to -prevent- writes to the data structure, along
[toc] | [prev] | [next] | [standalone]
| From | tip-bot for SeongJae Park <tipbot@zytor.com> |
|---|---|
| Date | 2016-08-12 10:30 +0200 |
| Subject | [tip:locking/core] locking/Documentation: Maintain consistent blank line |
| Message-ID | <s5g0N-7Fi-7@gated-at.bofh.it> |
| In reply to | #1460834 |
Commit-ID: dfeccea61716d3ca1bf3477610d1f29abf6d99ca
Gitweb: http://git.kernel.org/tip/dfeccea61716d3ca1bf3477610d1f29abf6d99ca
Author: SeongJae Park <sj38.park@gmail.com>
AuthorDate: Thu, 11 Aug 2016 11:17:40 -0700
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 12 Aug 2016 08:24:13 +0200
locking/Documentation: Maintain consistent blank line
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dhowells@redhat.com
Cc: linux-arch@vger.kernel.org
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/1470939463-31950-1-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
Documentation/memory-barriers.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index a4d0a99..e1926a0 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -1928,6 +1928,7 @@ There are some more advanced barrier functions:
See Documentation/DMA-API.txt for more information on consistent memory.
+
MMIO WRITE BARRIER
------------------
[toc] | [prev] | [standalone]
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