From: Yang Shi <yang.shi@linaro.org>
To: mingo@redhat.com, peterz@infradead.org
Cc: linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org,
yang.shi@linaro.org
Subject: [PATCH] lib/Kconfig: make PREEMPT_COUNT depend on PREEMPT in DEBUG_ATOMIC_SLEEP
Date: Fri, 12 Feb 2016 10:14:22 -0800 [thread overview]
Message-ID: <1455300862-453-1-git-send-email-yang.shi@linaro.org> (raw)
When building non-preempt kernel (PREEMPT_NONE), PREEMPT_COUNT is still enabled
if DEBUG_ATOMIC_SLEEP is enabled. But, it sounds not make sense to have
PREEMPT_COUNT set in non-preempt kernel.
So, make PREEMPT_COUNT depend on PREEMPT here.
Signed-off-by: Yang Shi <yang.shi@linaro.org>
---
lib/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ecb9e75..a5b6e11 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1075,7 +1075,7 @@ config DEBUG_LOCKDEP
config DEBUG_ATOMIC_SLEEP
bool "Sleep inside atomic section checking"
- select PREEMPT_COUNT
+ select PREEMPT_COUNT if PREEMPT
depends on DEBUG_KERNEL
help
If you say Y here, various routines which may sleep will become very
--
2.0.2
next reply other threads:[~2016-02-12 18:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-12 18:14 Yang Shi [this message]
2016-02-13 12:11 ` 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=1455300862-453-1-git-send-email-yang.shi@linaro.org \
--to=yang.shi@linaro.org \
--cc=linaro-kernel@lists.linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@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
all inboxes | Powered by JetHome®