From: Luca Falavigna <dktrkranz@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] Real-Time Preemption V0.7.53-02, fix redundant PREEMPT_RCU config option
Date: Thu, 11 Aug 2005 21:20:06 +0000 [thread overview]
Message-ID: <42FBC106.3040501@gmail.com> (raw)
This patch removes a redundant PREEMPT_RCU option from kernel/Kconfig.preempt.
Signed-off-by: Luca Falavigna <dktrkranz@gmail.com>
--- realtime-preempt-2.6.13-rc4-RT-V0.7.53-02.orig 2005-08-11 18:56:51.000000000
+0000
+++ realtime-preempt-2.6.13-rc4-RT-V0.7.53-02 2005-08-11 21:13:43.000000000 +0000
@@ -21571,18 +21571,6 @@ Index: linux/kernel/Kconfig.preempt
+
+ Say N if you are unsure.
+
-+config PREEMPT_RCU
-+ bool "Preemptible RCU"
-+ default n
-+ depends on PREEMPT
-+ help
-+ This option reduces the latency of the kernel by making certain
-+ RCU sections preemptible. Normally RCU code is non-preemptible, if
-+ this option is selected then read-only RCU sections become
-+ preemptible. This helps latency, but may increase memory utilization.
-+
-+ Say N if you are unsure.
-+
+config SPINLOCK_BKL
+ bool "Old-Style Big Kernel Lock"
+ depends on (PREEMPT || SMP) && !PREEMPT_RT
Regards,
--
Luca
next reply other threads:[~2005-08-11 21:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-11 21:20 Luca Falavigna [this message]
2005-08-12 6:21 ` [PATCH] Real-Time Preemption V0.7.53-02, fix redundant PREEMPT_RCU config option Ingo Molnar
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=42FBC106.3040501@gmail.com \
--to=dktrkranz@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.