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SubjectRe: [PATCH v3 00/23] Add generic vdso_base tracking
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Le 11/06/2021 à 20:02, Dmitry Safonov a écrit :
> v3 Changes:
> - Migrated arch/powerpc to vdso_base
> - Added x86/selftest for unmapped vdso & no landing on fast syscall
> - Review comments from Andy & Christophe (thanks!)
> - Amended s/born process/execed process/ everywhere I noticed
> - Build robot warning on cast from __user pointer
>
> I've tested it on x86, I would appreciate any help with
> Tested-by on arm/arm64/mips/powerpc/s390/... platforms.

I tried it on powerpc, normal use still works.

What tests can be done exactly ?

We have a selftest in powerpc
(https://github.com/linuxppc/linux/blob/master/tools/testing/selftests/powerpc/signal/sigreturn_vdso.c)
but it doesn't work anymore since the split of VDSO into VDSO+VVAR.

Christophe

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