| commit | c5bcb5635a03da3158f121ae20ccbbf72b4fc62a | [log] [tgz] |
|---|---|---|
| author | Andi Kleen <ak@suse.de> | Wed May 02 19:27:21 2007 +0200 |
| committer | Andi Kleen <andi@basil.nowhere.org> | Wed May 02 19:27:21 2007 +0200 |
| tree | a69fff3138ad14a7949d979f2d2e5893c5cb77de | |
| parent | 9bccb23dc5fc2d268ab676e2d4212d29e230fd86 [diff] |
[PATCH] x86: Use RDTSCP for synchronous get_cycles if possible RDTSCP is already synchronous and doesn't need an explicit CPUID. This is a little faster and more importantly avoids VMEXITs on Hypervisors. Original patch from Joerg Roedel, but reworked by AK Also includes miscompilation fix by Eric Biederman Cc: "Joerg Roedel" <joerg.roedel@amd.com> Signed-off-by: Andi Kleen <ak@suse.de>