[REVIEW][PATCH 7/9] signal/poewrpc: Specialize _exception_pkey for handling pkey exceptions
Stephen Rothwell
sfr at canb.auug.org.au
Fri Sep 21 18:54:29 AEST 2018
Hi Eric,
On Tue, 18 Sep 2018 19:58:48 +0200 "Eric W. Biederman" <ebiederm at xmission.com> wrote:
>
> Now that _exception no longer calls _exception_pkey it is no longer
> necessary to handle any signal with any si_code. All pkey exceptions
> are SIGSEGV with paired with SEGV_PKUERR. So just handle
> that case and remove the now unnecessary parameters from _exception_pkey.
>
> Signed-off-by: "Eric W. Biederman" <ebiederm at xmission.com>
Looks fine to me (small query below).
Reviewed-by: Stephen Rothwell <sfr at canb.auug.org.au>
> clear_siginfo(&info);
> - info.si_signo = signr;
> - info.si_code = code;
> + info.si_signo = SIGSEGV;
> + info.si_code = SEGV_PKUERR;
> info.si_addr = (void __user *) addr;
> info.si_pkey = key;
>
> - force_sig_info(signr, &info, current);
> + force_sig_info(info.si_signo, &info, current);
^^^^^^^^^^^^^
Why not just SIGSEGV?
--
Cheers,
Stephen Rothwell
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