Messages in this thread | | | Date | Wed, 2 Nov 2022 12:22:22 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH Part2 v6 14/49] crypto: ccp: Handle the legacy TMR allocation when SNP is enabled |
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On Mon, Oct 31, 2022 at 04:58:38PM -0500, Kalra, Ashish wrote: > if (snp_lookup_rmpentry(pfn, &rmp_level)) { > do_sigbus(regs, error_code, address, VM_FAULT_SIGBUS); > return RMP_PF_RETRY;
Does this issue some halfway understandable error message why the process got killed?
> Will look at adding our own recovery function for the same, but that will > again mark the pages as poisoned, right ?
Well, not poisoned but PG_offlimits or whatever the mm folks agree upon. Semantically, it'll be handled the same way, ofc.
> Still waiting for some/more feedback from mm folks on the same.
Just send the patch and they'll give it.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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