On Thu, Mar 09, 2023 at 05:03:26PM +0000, Edgecombe, Rick P wrote: > On Thu, 2023-03-09 at 17:48 +0100, Borislav Petkov wrote: > > On Mon, Feb 27, 2023 at 02:29:47PM -0800, Rick Edgecombe wrote: > > > From: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> > > > > > > Shadow stacks are normally written to via CALL/RET or specific CET > > > > ^ > > indirectly. > > Dunno here, RSTORSSP/SAVEPREVSSP are kind of direct. > > > > > > instructions like RSTORSSP/SAVEPREVSSP. However during some Linux > > > operations the kernel will need to write to directly using the ^^^^^^^^^ Yes, I was trying to make the contrast more obvious because you say "directly" here. But not too important. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette