Joerg Roedel 315562c9af x86/sev-es: Adjust #VC IST Stack on entering NMI handler ... When an NMI hits in the #VC handler entry code before it has switched to another stack, any subsequent #VC exception in the NMI code-path will overwrite the interrupted #VC handler's stack. Make sure this doesn't happen by explicitly adjusting the #VC IST entry in the NMI handler for the time it can cause #VC exceptions. [ bp: Touchups, spelling fixes. ] Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200907131613.12703-44-joro@8bytes.org		2020-09-09 11:33:19 +02:00
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asm	x86/sev-es: Adjust #VC IST Stack on entering NMI handler	2020-09-09 11:33:19 +02:00
uapi/asm	x86/boot/compressed/64: Setup a GHCB-based VC Exception handler	2020-09-07 19:45:25 +02:00