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Re: [PATCH] Don't all __access_noerrno with stack protector from __tunables_init [BZ #21744]
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Mon, 17 Jul 2017 22:39:11 +0200
- Subject: Re: [PATCH] Don't all __access_noerrno with stack protector from __tunables_init [BZ #21744]
- Authentication-results: sourceware.org; auth=none
- References: <20170716191924.GA7226@gmail.com> <7643d65d-839e-a85d-8a4f-30eada595887@linaro.org> <CAMe9rOrU5Wp=bZgOY=91dyEJHjW6SJ5HknOeS_92pTxukpFrhA@mail.gmail.com>
* H. J. Lu:
> I don't think it works for Hurd.
Yes, generic code cannot use INTERNAL_SYSCALL_CALL. And it would have
to be INLINE_SYSCALL_CALL to prevent the errno access, I think.