On Wed, 12 Jun 2024, Daniel P. Berrangé wrote: > On Wed, Jun 12, 2024 at 01:55:20PM +0300, Alexander Monakov wrote: > > Hello, > > > > I'm sending straightforward reverts to recent patches that bumped minimum > > required x86 instruction set to SSE4.2. The older chips did not stop > > working, > > and people still test and use new software on older hardware: > > https://sourceware.org/bugzilla/show_bug.cgi?id=31867 > > > > Considering the very minor gains from the baseline raise, I'm honestly not > > sure why it happened. It seems better to let distributions handle that. > > Indeed distros are opinionated about the x86_64 baseline they want > to target. > > While RHEL-9 switched to a x86_64-v2 baseline, Fedora has repeatedly > rejected the idea of moving to an x86_64-v2 baseline, wanting to retain > full backwards compat. So this assumption in QEMU is preventing the > distros from satisfying their chosen build target goals.
So, to make sure I parsed that correctly, you're in support of the reverts? Alexander
