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authorChris McDermott <lcm@us.ibm.com>2006-02-11 17:55:50 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-11 21:41:11 -0800
commit33042a9ff4d126ba944b9dc3076665a2029e0a34 (patch)
treed5cf22cebc02316058ad860feecef20742a4ae5e /fs/select.c
parente00d82d07fb112446586d225763d3572e64b7abf (diff)
[PATCH] x86-64: Fix HPET timer on x460
[description from AK] The IBM Summit 3 chipset doesn't implement the HPET timer replacement option. Since the current Linux code relies on it use a mixed mode with both PIT for the interrupt and HPET counters for the time keeping. That was already implemented, but didn't work properly because it was still using the last interrupt offset in HPET. This resulted in x460 not booting. Fix this up by using the free running HPET counter. Shouldn't affect any other machine because they either use full HPET mode or no HPET at all. TBD needs a similar 32bit fix. Signed-off-by: Andi Kleen <ak@suse.de> Cc: Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> Cc: Bob Picco <bob.picco@hp.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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