x86: add hpet sanity checks

Browse source

Some BIOSes advertise HPET at 0x0. We really do no want to 
allocate a resource there. Check for it and leave early.

Other BIOSes tell us the HPET is at 0xfed0000000000000 
instead of 0xfed00000. Add a check and fix it up with a warning
on user request.


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

This commit is contained in:

Thomas Gleixner 2007-11-15 21:41:50 -05:00 • committed by Thomas Gleixner

parent bbbd99955b

commit f4df73c291

1 changed files with 32 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

arch/x86/kernel/acpi/boot.c

View file