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Fix reset of the kernel stack pointer in TSS for !PTI case on pmap activation

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after r354095.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks
This commit is contained in:
Konstantin Belousov 2019-10-28 10:50:37 +00:00
parent cfa8b64827
commit af592d0465
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=354132
1 changed files with 1 additions and 1 deletions
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sys/amd64/amd64/pmap.c
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@ -8650,7 +8650,7 @@ pmap_activate_sw_pti_post(struct thread *td, pmap_t pmap)
{
PCPU_GET(tssp)->tss_rsp0 = pmap->pm_ucr3 != PMAP_NO_CR3 ?
PCPU_GET(pti_rsp0) : (uintptr_t)td->td_pcb;
PCPU_GET(pti_rsp0) : (uintptr_t)td->td_md.md_stack_base;
}
static void inline