From: wfg@linux.intel.com
To: kernel-janitors@vger.kernel.org
Subject: [tip:perf/core 86/90] arch/x86/kernel/cpu/perf_event.h:377:43: sparse: dubious one-bit signed bitfie
Date: Fri, 06 Jul 2012 17:52:21 +0000 [thread overview]
Message-ID: <20120706175221.GA22130@localhost> (raw)
Hi Peter,
Should we make the bits "unsigned"?
tree: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
head: 6a67943a18c264d5f3df436da38edb3e59adc905
commit: 3e0091e2b6f8cd59e567f247e345a3a6ad1f6e7e [86/90] perf/x86: Save a few bytes in 'struct x86_pmu'
All sparse warnings:
+ arch/x86/kernel/cpu/perf_event.h:377:43: sparse: dubious one-bit signed bitfield
arch/x86/kernel/cpu/perf_event.h:378:43: sparse: dubious one-bit signed bitfield
arch/x86/kernel/cpu/perf_event.h:379:43: sparse: dubious one-bit signed bitfield
arch/x86/kernel/cpu/perf_event.h:380:43: sparse: dubious one-bit signed bitfield
arch/x86/kernel/cpu/perf_event.h:381:43: sparse: dubious one-bit signed bitfield
vim +377 arch/x86/kernel/cpu/perf_event.h
374 /*
375 * Intel DebugStore bits
376 */
> 377 int bts :1,
378 bts_active :1,
379 pebs :1,
380 pebs_active :1,
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com> Intel Corporation
next reply other threads:[~2012-07-06 17:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 17:52 wfg [this message]
2012-07-09 11:52 ` [tip:perf/core 86/90] arch/x86/kernel/cpu/perf_event.h:377:43: sparse: dubious one-bit signed bi Peter Zijlstra
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=20120706175221.GA22130@localhost \
--to=wfg@linux.intel.com \
--cc=kernel-janitors@vger.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: 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