From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 0/5] Switch arm64 over to qrwlock
Date: Tue, 24 Oct 2017 15:48:10 +0100 [thread overview]
Message-ID: <20171024144810.GD14568@arm.com> (raw)
In-Reply-To: <20171019165332.GD30652@arm.com>
Ingo, Peter,
Would you be willing to merge this via -tip, please? I'm happy to
rebase/repost as required, but the code is in good shape now.
Will
On Thu, Oct 19, 2017 at 05:53:32PM +0100, Will Deacon wrote:
> On Thu, Oct 12, 2017 at 01:20:46PM +0100, Will Deacon wrote:
> > This is version three of the patches previously posted here:
> >
> > v1: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-October/534666.html
> > v2: http://lists.infradead.org/pipermail/linux-arm-kernel/2017-October/534981.html
> >
> > Changes since v2 include:
> >
> > * Drop unused cnt argument
> > * Fix typo in UNLOCK Kconfig inlining options
> > * Added Tested-by tags
> >
> > Thanks to all of those who provided review and testing feedback!
>
> I've not had any more feedback on this and the testing results are very
> encouraging so I'd like to merge it for 4.15. However, it might make more
> sense for the whole thing to go via -tip instead.
>
> Ingo, Peter: what do you prefer?
>
> Will
>
> > Will Deacon (5):
> > kernel/locking: Use struct qrwlock instead of struct __qrwlock
> > locking/atomic: Add atomic_cond_read_acquire
> > kernel/locking: Use atomic_cond_read_acquire when spinning in qrwlock
> > arm64: locking: Move rwlock implementation over to qrwlocks
> > kernel/locking: Prevent slowpath writers getting held up by fastpath
> >
> > arch/arm64/Kconfig | 17 ++++
> > arch/arm64/include/asm/Kbuild | 1 +
> > arch/arm64/include/asm/spinlock.h | 164 +-------------------------------
> > arch/arm64/include/asm/spinlock_types.h | 6 +-
> > include/asm-generic/atomic-long.h | 3 +
> > include/asm-generic/qrwlock.h | 37 ++-----
> > include/asm-generic/qrwlock_types.h | 15 ++-
> > include/linux/atomic.h | 4 +
> > kernel/locking/qrwlock.c | 86 +++--------------
> > 9 files changed, 61 insertions(+), 272 deletions(-)
> >
> > --
> > 2.1.4
> >
next prev parent reply other threads:[~2017-10-24 14:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-12 12:20 [PATCH v3 0/5] Switch arm64 over to qrwlock Will Deacon
2017-10-12 12:20 ` [PATCH v3 1/5] kernel/locking: Use struct qrwlock instead of struct __qrwlock Will Deacon
2017-10-12 12:20 ` [PATCH v3 2/5] locking/atomic: Add atomic_cond_read_acquire Will Deacon
2017-10-12 12:20 ` [PATCH v3 3/5] kernel/locking: Use atomic_cond_read_acquire when spinning in qrwlock Will Deacon
2017-10-12 12:20 ` [PATCH v3 4/5] arm64: locking: Move rwlock implementation over to qrwlocks Will Deacon
2017-10-12 12:20 ` [PATCH v3 5/5] kernel/locking: Prevent slowpath writers getting held up by fastpath Will Deacon
2017-10-12 13:16 ` [PATCH v3 0/5] Switch arm64 over to qrwlock Adam Wallis
2017-10-19 16:53 ` Will Deacon
2017-10-24 14:48 ` Will Deacon [this message]
2017-10-24 15:40 ` Ingo Molnar
2017-10-25 8:36 ` Peter Zijlstra
2017-10-28 6:10 ` chengjian (D)
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=20171024144810.GD14568@arm.com \
--to=will.deacon@arm.com \
--cc=linux-arm-kernel@lists.infradead.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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).