Il 30/09/2014 09:54, Jan Kiszka ha scritto:
>> > kvm_get_xtime_nsec could overflow. If we make kvm_get_boot_base_ns
>> > compute the equivalent of 3.17's base_mono+offs_boot formula (instead of
>> > just offs_boot), we can avoid that and drop kvm_get_xtime_nsec altogether.
> Applied, thanks.
>
> Any suggestions how to deal with "kvm: Fix page ageing bugs"?
If you mean the new MMU notifier API, probably something like this:
diff --git a/sync b/sync
index 8b63ca7..fff85f3 100755
--- a/sync
+++ b/sync
@@ -310,6 +310,22 @@ def hack_content(fname, data):
else:
w(sub(r'tkr\.', '', line))
line = '#endif'
+ if match_block_end('^static int kvm_mmu_notifier_clear_flush_young', '^}'):
+ w(line)
+ w('#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)')
+ w('static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,')
+ w(' struct mm_struct *mm,')
+ w(' unsigned long hva)')
+ w('{')
+ w('\treturn __kvm_mmu_notifier_clear_flush_young(mn, mm, hva, hva+1);')
+ w('}')
+ line = '#endif'
+ if match(r'^static int kvm_mmu_notifier_clear_flush_young'):
+ w('#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0)')
+ w(line)
+ w('#else')
+ w(sub('kvm_', '__kvm_', line))
+ line = '#endif'
if line == '#ifdef CONFIG_KEXEC':
line = '#if defined(CONFIG_KEXEC) && LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)'
if line == '\tif (!cpu_has_vmx_apicv())':
(Not tested beyond compilation).
Paolo
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