Vitaly Kuznetsov <[email protected]> 于2020年9月16日周三 下午7:04写道： > > Haiwei Li <[email protected]> writes: > > > On 20/9/16 17:03, Vitaly Kuznetsov wrote: > >> The commit 0f990222108d ("KVM: Check the allocation of pv cpu mask") we > >> have in 5.9-rc5 has two issue: > >> 1) Compilation fails for !CONFIG_SMP, see: > >> https://bugzilla.kernel.org/show_bug.cgi?id=209285 > >> > >> 2) This commit completely disables PV TLB flush, see > >> https://lore.kernel.org/kvm/[email protected]/ > >> > >> The allocation problem is likely a theoretical one, if we don't > >> have memory that early in boot process we're likely doomed anyway. > >> Let's solve it properly later. > > > > Hi, i have sent a patchset to fix this commit. > > > > https://lore.kernel.org/kvm/[email protected]/T/#m6c27184012ee5438e5d91c09b1ba1b6a3ee30ee4 > > > > What do you think? > > Saw it, looks good to me. We are, however, already very, very late in 5.9 > release cycle and the original issue you were addressing (allocation > failure) is likely a theoretical only I suggest we just revert it before > 5.9 is released. For 5.9 we can certainly take your PATCH2 merged with > 0f99022210. > > This Paolo's call anyway)
I see. Thank you. Haiwei Li
