| Subject | Re: [RFC 1/7] x86/asm/64: Allocate and enable the SYSENTER stack | From | Dave Hansen <> | Date | Mon, 13 Nov 2017 11:07:33 -0800 |
| |
On 11/10/2017 08:05 PM, Andy Lutomirski wrote: > This will simplify some future code changes that will want some > temporary stack space in more places. It also lets us get rid of a > SWAPGS_UNSAFE_STACK user. > > This does not depend on CONFIG_IA32_EMULATION because we'll want the > stack space even without IA32 emulation.
It was never clear to me why we don't use this on 64-bit today. Does anybody know why?
|