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Revert "x86/entry_32: Clear CPU buffers after register restore in NMI return"

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This reverts commit 0c7e61432d.
This commit is contained in:
Ksawlii 2024-11-24 00:22:51 +01:00
parent a91e7ad42f
commit 5e83655d80
1 changed files with 1 additions and 2 deletions
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3
arch/x86/entry/entry_32.S
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@ -1222,6 +1222,7 @@ SYM_CODE_START(asm_exc_nmi)
/* Not on SYSENTER stack. */
call exc_nmi
CLEAR_CPU_BUFFERS
jmp .Lnmi_return
.Lnmi_from_sysenter_stack:
@ -1242,7 +1243,6 @@ SYM_CODE_START(asm_exc_nmi)
CHECK_AND_APPLY_ESPFIX
RESTORE_ALL_NMI cr3_reg=%edi pop=4
CLEAR_CPU_BUFFERS
jmp .Lirq_return
#ifdef CONFIG_X86_ESPFIX32
@ -1284,7 +1284,6 @@ SYM_CODE_START(asm_exc_nmi)
* 1 - orig_ax
*/
lss (1+5+6)*4(%esp), %esp # back to espfix stack
CLEAR_CPU_BUFFERS
jmp .Lirq_return
#endif
SYM_CODE_END(asm_exc_nmi)