From: Ingo Molnar <mingo@elte.hu>
To: Mike Frysinger <vapier.adi@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scripts/checksyscalls.sh: only whine perf_counter_open when supported
Date: Sat, 13 Jun 2009 23:00:18 +0200 [thread overview]
Message-ID: <20090613210018.GA1962@elte.hu> (raw)
In-Reply-To: <8bd0f97a0906120829p628751e9gb557f6a14e98fae2@mail.gmail.com>
* Mike Frysinger <vapier.adi@gmail.com> wrote:
> On Fri, Jun 12, 2009 at 11:21, Ingo Molnar wrote:
> > * Mike Frysinger <vapier.adi@gmail.com> wrote:
> >> the perf counter code explicitly requires:
> >> ...
> >> - support for atomic64 types (unless i missed something, x86 is the
> >> only 32bit system that supports these)
> >
> > A wrapper suffices - should probably be librarized into lib/.
>
> wonder if we can trick Arnd into doing that ...
FYI, Paul has posted the patches for generic atomic64_t today.
So the barrier of entry to perfcounters enablement is really low
now, even for 32-bit architectures without 64-bit atomic ops.
Ingo
next prev parent reply other threads:[~2009-06-13 21:06 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-12 11:29 [PATCH] scripts/checksyscalls.sh: only whine perf_counter_open when supported Mike Frysinger
2009-06-12 12:05 ` Ingo Molnar
2009-06-12 12:13 ` Mike Frysinger
2009-06-12 12:17 ` Ingo Molnar
2009-06-12 12:22 ` Mike Frysinger
2009-06-12 12:31 ` Ingo Molnar
2009-06-12 12:41 ` Mike Frysinger
2009-06-12 12:59 ` Ingo Molnar
2009-06-12 13:04 ` Mike Frysinger
2009-06-12 13:09 ` Ingo Molnar
2009-06-12 13:21 ` Mike Frysinger
2009-06-12 13:56 ` Ingo Molnar
2009-06-12 15:25 ` Alan Cox
2009-06-12 15:56 ` Ingo Molnar
2009-06-12 16:57 ` Ingo Molnar
2009-06-12 17:11 ` Mike Frysinger
2009-06-12 13:34 ` Mike Frysinger
2009-06-12 15:16 ` Mike Frysinger
2009-06-12 15:21 ` Ingo Molnar
2009-06-12 15:29 ` Mike Frysinger
2009-06-12 15:50 ` Ingo Molnar
2009-06-13 21:00 ` Ingo Molnar [this message]
2009-06-13 4:37 ` Paul Mackerras
2009-06-13 10:48 ` Mike Frysinger
2009-06-14 9:37 ` Paul Mundt
2009-06-14 9:55 ` Mike Frysinger
2009-06-14 10:11 ` Paul Mundt
2009-06-14 10:55 ` Mike Frysinger
2009-06-14 11:20 ` Paul Mundt
2009-06-14 11:47 ` Mike Frysinger
2009-06-14 11:20 ` Sam Ravnborg
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=20090613210018.GA1962@elte.hu \
--to=mingo@elte.hu \
--cc=a.p.zijlstra@chello.nl \
--cc=linux-kernel@vger.kernel.org \
--cc=paulus@samba.org \
--cc=vapier.adi@gmail.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: 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