linux-kernel - [tip: x86/misc] x86/Kconfig: Specify idle=poll instead of no-hlt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <166198252046.401.16177409434472954362.tip-bot2@tip-bot2>
Date:   Wed, 31 Aug 2022 21:48:40 -0000
From:   "tip-bot2 for Stephen Kitt" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Stephen Kitt <steve@....org>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/misc] x86/Kconfig: Specify idle=poll instead of no-hlt

The following commit has been merged into the x86/misc branch of tip:

Commit-ID:     7987448ffc34f41590bae5b28cd23ca0b8c93291
Gitweb:        https://git.kernel.org/tip/7987448ffc34f41590bae5b28cd23ca0b8c93291
Author:        Stephen Kitt <steve@....org>
AuthorDate:    Wed, 13 Jul 2022 18:08:40 +02:00
Committer:     Dave Hansen <dave.hansen@...ux.intel.com>
CommitterDate: Wed, 31 Aug 2022 14:43:36 -07:00

x86/Kconfig: Specify idle=poll instead of no-hlt

Commit 27be45700021 ("x86 idle: remove 32-bit-only "no-hlt" parameter,
hlt_works_ok flag") removed no-hlt, but CONFIG_APM still refers to
it. Suggest "idle=poll" instead, based on the commit message:

> If a user wants to avoid HLT, then "idle=poll"
> is much more useful, as it avoids invocation of HLT
> in idle, while "no-hlt" failed to do so.

Signed-off-by: Stephen Kitt <steve@....org>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
Link: https://lkml.kernel.org/r/20220713160840.1577569-1-steve@sk2.org
---
 arch/x86/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f9920f1..83b163a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2569,7 +2569,7 @@ menuconfig APM
 
 	  1) make sure that you have enough swap space and that it is
 	  enabled.
-	  2) pass the "no-hlt" option to the kernel
+	  2) pass the "idle=poll" option to the kernel
 	  3) switch on floating point emulation in the kernel and pass
 	  the "no387" option to the kernel
 	  4) pass the "floppy=nodma" option to the kernel