linux-kernel - [PATCH] timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO

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-next>] [day] [month] [year] [list]

Date:	Tue, 12 Feb 2008 13:52:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Eric Piel <E.A.B.Piel@...elft.nl>,
	"Carlos R. Mafra" <crmafra@...il.com>
Subject: [PATCH] timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO_USEC

The USEC_TO_HZ and HZ_TO_USEC constant sets were mislabelled, with
seriously incorrect results.  This among other things manifested
itself as cpufreq not working when a tickless kernel was configured.

Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 kernel/timeconst.pl |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
index 62b1287..4146803 100644
--- a/kernel/timeconst.pl
+++ b/kernel/timeconst.pl
@@ -339,7 +339,7 @@ sub output($@)
 	print "\n";
 
 	foreach $pfx ('HZ_TO_MSEC','MSEC_TO_HZ',
-		      'USEC_TO_HZ','HZ_TO_USEC') {
+		      'HZ_TO_USEC','USEC_TO_HZ') {
 		foreach $bit (32, 64) {
 			foreach $suf ('MUL', 'ADJ', 'SHR') {
 				printf "#define %-23s %s\n",
-- 
1.5.3.8

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/