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| author | Keir Fraser <keir@xensource.com> | 2007-06-15 09:42:39 +0100 |
|---|---|---|
| committer | Keir Fraser <keir@xensource.com> | 2007-06-15 09:42:39 +0100 |
| commit | dd8e0a08e0823f193744290ebe1c16fe19642c91 (patch) | |
| tree | 60b3778f44deb5fdf393dcbba287015d1f84bde6 /xen/arch/x86/hvm/rtc.c | |
| parent | 1e542e2a4d0e777d343e217466fb91ec16ebefc1 (diff) | |
| download | xen-dd8e0a08e0823f193744290ebe1c16fe19642c91.tar.gz xen-dd8e0a08e0823f193744290ebe1c16fe19642c91.tar.bz2 xen-dd8e0a08e0823f193744290ebe1c16fe19642c91.zip | |
hvm: Fix multiplication overflow in hvm/pmtimer.c
Too many ACPI events (SCI) are raised on hvm because of
multiplication overflow.
FREQUENCE_PMTIMER=3579545
(1000000000ULL << 32) / FREQUENCE_PMTIMER = 0xae9a7b1663a
pmt_cycles_until_flip =~ 0x80000000
0xae9a7b1663a*0x80000000 = overflow!!!
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
Diffstat (limited to 'xen/arch/x86/hvm/rtc.c')
0 files changed, 0 insertions, 0 deletions