| Date | Thu, 23 Nov 2017 20:30:59 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 09/18] x86/asm: Move SYSENTER_stack to the beginning of struct tss_struct |
| |
On Tue, 21 Nov 2017, Andy Lutomirski wrote:
> I want SYSENTER_stack to have reliable overflow detection, which > means that it needs to be at the bottom of a page, not the top. > Move it to the beginning of struct tss_struct and page-align it. > > Also add an assertion to make sure that the fixed hardware TSS > doesn't cross a page boundary. > > Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
|