Messages in this thread | | | Date | Fri, 4 Jun 2021 20:06:14 +1000 | From | Balbir Singh <> | Subject | Re: [PATCH v4 0/5] Next revision of the L1D flush patches |
| |
On Wed, Apr 28, 2021 at 01:08:05PM -0700, Kees Cook wrote: > On Tue, Apr 27, 2021 at 12:24:16AM +0200, Thomas Gleixner wrote: > > On Mon, Apr 26 2021 at 10:31, Thomas Gleixner wrote: > > > On Thu, Apr 08 2021 at 13:23, Kees Cook wrote: > > >> > > >> I'd still really like to see this -- it's a big hammer, but that's the > > >> point for cases where some new flaw appears and we can point to the > > >> toolbox and say "you can mitigate it with this while you wait for new > > >> kernel/CPU." > > >> > > >> Any further thoughts from x86 maintainers? This seems like it addressed > > >> all of tglx's review comments. > > > > > > Sorry for dropping the ball on this. It's in my list of things to deal > > > with. Starting to look at it now. > > > > So I went through the pile and for remorse I sat down and made the > > tweaks I think are necessary myself. > > > > I've pushed out the result to > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/l1dflush > > Oh excellent; thank you for doing this! >
Thanks again Thomas!
I no longer have access to the bare metal hardware, but I was able to test this under qemu with some emulation changes. The changes worked as expected.
Folks on the list/cc, appreciate any tested-by or additional reviewed-by tags if you do happen to review/test.
Thanks, Balbir Singh.
| |