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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-05-01 09:45:44 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-05-01 09:45:44 +0100 |
| commit | fff03db7d506d63e9a37bcfd1cf4e106179ac237 (patch) | |
| tree | b98a94fbbcf8e14b9a0113cfc65413f478bf4e17 /xen/arch/x86/pci.c | |
| parent | 6e1d95fe7a44ac03a8c8859c73de006f73d72f97 (diff) | |
| download | xen-fff03db7d506d63e9a37bcfd1cf4e106179ac237.tar.gz xen-fff03db7d506d63e9a37bcfd1cf4e106179ac237.tar.bz2 xen-fff03db7d506d63e9a37bcfd1cf4e106179ac237.zip | |
x86 time: Read platform time before locally-extrapolated time during
calibration and frequency changes. This places the variable delay
(acquiring the platform_timer_lock) safely as the very first thing we
do, avoiding a variable delay /between/ computing the two timestamps.
Problem diagnosed by Dave Winchell <dwinchell@virtualiron.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/pci.c')
0 files changed, 0 insertions, 0 deletions