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Re: Fix mcontext_t sigcontext namespace (bug 21457)

On 29/06/17 20:51, Joseph Myers wrote:
> On Mon, 26 Jun 2017, Joseph Myers wrote:
>> On Mon, 26 Jun 2017, Zack Weinberg wrote:
>>> Independent of that, this is finicky enough and has enough
>>> kernel-interface implications that I think it had better have
>>> architecture maintainer reviews for, at least, all architectures where
>>> you copied the contents of struct sigcontext into the definition of
>>> mcontext_t.
>> Ping of <> for 
>> architecture maintainers for aarch64, alpha, hppa, ia64, microblaze, tile.
> Ping again, both architecture-maintainer and general patch.  (Note email 
> to the microblaze maintainer bounced.)  All the other fixes for this bug 
> are now in, so this patch allows 11 of the 13 miscellaneous conform/ 
> XFAILs to be removed (and the other two are just ordinary bugs about the 
> details of what's exposed for particular old standard versions).

the patch is ok for aarch64.

otoh i heard from a qemu maintainer that the ucontext
change broke qemu and valgrind as well (they used
struct ucontext somewhere) and it's not clear why
these changes are so important to break code.

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