Re: [PATCH v2 0/6] generic relative extable support

[Heiko Carstens]

On Mon, Jan 11, 2016 at 02:59:46PM +0100, Ard Biesheuvel wrote:
> On 5 January 2016 at 16:19, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote:
> > There are currently four architectures (x86, ia64, alpha and s390) whose
> > user-access exception tables are relative to the table entry address rather
> > than absolute. Each of these architectures has its own search_extable() and
> > sort_extable() implementation, which are not only mostly identical to each
> > other, but also deviate very little from the generic absolute implementations
> > in lib/extable.c that they override.
> >
> > So before making arm64 the fifth architecture that reimplements this, let's
> > refactor the existing code so that all of these architectures use common code
> > for searching and sorting the relative extables. Archs may set
> > ARCH_HAS_RELATIVE_EXTABLE to indicate that the table consists of a pair of
> > relative ints, and may define swap_ex_entry_fixup() if the fixup member needs
> > special treatment in the swapping step of the sorting routine (such as alpha).
> >
> 
> [...]
> 
> Now that I have collected acks for all the patches, I think this is
> good to go in.
> 
> @Andrew: since this touches 5 different architectures, is this perhaps
> something that could go in via your tree after -rc1?
> (assuming that the s390 bugfix has been merged by then)

Your s390 bugfix has been merged.  See git commit id bcb7825a77f4 ("s390:
fix normalization bug in exception table sorting").

Thanks,
Heiko

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