LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
* [PATCH] All Transmeta CPUs have constant TSCs
@ 2007-01-05  1:48 H. Peter Anvin
  2007-01-05 14:25 ` Jan Engelhardt
  0 siblings, 1 reply; 8+ messages in thread
From: H. Peter Anvin @ 2007-01-05  1:48 UTC (permalink / raw)
  To: akpm, hpa, linux-kernel

[i386] All Transmeta CPUs have constant TSCs

All Transmeta CPUs ever produced have constant-rate TSCs.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

---
commit 07e54489ef8a3341b20ae42b53b1254a68061204
tree 204fa19fe2b2dd3ddb1add83ec66ccda7360f4e6
parent 7523c4dd9923cab748dad9b79d0165e118e3d03b
author H. Peter Anvin <hpa@zytor.com> Thu, 04 Jan 2007 17:44:34 -0800
committer H. Peter Anvin <hpa@zytor.com> Thu, 04 Jan 2007 17:44:34 -0800

 arch/i386/kernel/cpu/transmeta.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/i386/kernel/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c
index 4056fb7..b536e81 100644
--- a/arch/i386/kernel/cpu/transmeta.c
+++ b/arch/i386/kernel/cpu/transmeta.c
@@ -72,6 +72,9 @@ static void __cpuinit init_transmeta(struct cpuinfo_x86 *c)
 	wrmsr(0x80860004, ~0, uk);
 	c->x86_capability[0] = cpuid_edx(0x00000001);
 	wrmsr(0x80860004, cap_mask, uk);
+
+	/* All Transmeta CPUs have a constant TSC */
+	set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability);
 	
 	/* If we can run i686 user-space code, call us an i686 */
 #define USER686 (X86_FEATURE_TSC|X86_FEATURE_CX8|X86_FEATURE_CMOV)

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2007-01-08 23:55 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-01-05  1:48 [PATCH] All Transmeta CPUs have constant TSCs H. Peter Anvin
2007-01-05 14:25 ` Jan Engelhardt
2007-01-08  8:02   ` dean gaudet
2007-01-08 20:19     ` Jan Engelhardt
2007-01-08 20:51       ` Chris Friesen
2007-01-08 20:51       ` H. Peter Anvin
2007-01-08 23:13         ` dean gaudet
2007-01-08 23:54           ` H. Peter Anvin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).