From: Heiko Carstens <heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
To: Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: Takashi Iwai <tiwai-l3A5Bk7waGM@public.gmane.org>,
"linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
opensuse-factory-stAJ6ESoqRxg9hUCZPvPmw@public.gmane.org,
OpenSUSE Kernel Team
<opensuse-kernel-stAJ6ESoqRxg9hUCZPvPmw@public.gmane.org>
Subject: Re: [opensuse-factory] Re: libsigsegv build fail with kernel 3.18.3
Date: Wed, 28 Jan 2015 08:38:37 +0100 [thread overview]
Message-ID: <20150128073837.GC4633@osiris> (raw)
In-Reply-To: <CA+55aFxRnj97rpSQvvzLJhpo7C8TQ-F=eB1Ry2n53AV1rN8mwA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, Jan 27, 2015 at 12:57:20PM -0800, Linus Torvalds wrote:
> [ Adding 'linux-arch' to the recipients, since this touches pretty
> much all architectures ]
[...]
> Can people take a look?
>
> diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
> index 811937bb90be..9065d5aa3932 100644
> --- a/arch/s390/mm/fault.c
> +++ b/arch/s390/mm/fault.c
> @@ -374,6 +374,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
> do_no_context(regs);
> else
> pagefault_out_of_memory();
> + } else if (fault & VM_FAULT_SIGSEGV) {
> + /* Kernel mode? Handle exceptions or die */
> + if (!user_mode(regs))
> + do_no_context(regs);
> + else
> + do_sigsegv(regs, SEGV_MAPERR);
s390 still compiles and boots with this patch applied.
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Takashi Iwai <tiwai@suse.de>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
opensuse-factory@opensuse.org,
OpenSUSE Kernel Team <opensuse-kernel@opensuse.org>
Subject: Re: [opensuse-factory] Re: [opensuse-kernel] libsigsegv build fail with kernel 3.18.3
Date: Wed, 28 Jan 2015 08:38:37 +0100 [thread overview]
Message-ID: <20150128073837.GC4633@osiris> (raw)
Message-ID: <20150128073837.h7D_cpmStr2uEV3Nauqtlm0Fv6jZ03qZRDsauGVx4Hg@z> (raw)
In-Reply-To: <CA+55aFxRnj97rpSQvvzLJhpo7C8TQ-F=eB1Ry2n53AV1rN8mwA@mail.gmail.com>
On Tue, Jan 27, 2015 at 12:57:20PM -0800, Linus Torvalds wrote:
> [ Adding 'linux-arch' to the recipients, since this touches pretty
> much all architectures ]
[...]
> Can people take a look?
>
> diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
> index 811937bb90be..9065d5aa3932 100644
> --- a/arch/s390/mm/fault.c
> +++ b/arch/s390/mm/fault.c
> @@ -374,6 +374,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
> do_no_context(regs);
> else
> pagefault_out_of_memory();
> + } else if (fault & VM_FAULT_SIGSEGV) {
> + /* Kernel mode? Handle exceptions or die */
> + if (!user_mode(regs))
> + do_no_context(regs);
> + else
> + do_sigsegv(regs, SEGV_MAPERR);
s390 still compiles and boots with this patch applied.
next prev parent reply other threads:[~2015-01-28 7:38 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1422361485.6648.71.camel@opensuse.org>
[not found] ` <54C78756.9090605@suse.cz>
[not found] ` <alpine.LSU.2.11.1501271347440.30227@nerf60.vanv.qr>
[not found] ` <1422364084.6648.82.camel@opensuse.org>
[not found] ` <s5h7fw8hvdp.wl-tiwai@suse.de>
[not found] ` <CA+55aFyzy_wYHHnr2gDcYr7qcgOKM2557bRdg6RBa=cxrynd+Q@mail.gmail.com>
2015-01-27 20:57 ` [opensuse-factory] Re: [opensuse-kernel] libsigsegv build fail with kernel 3.18.3 Linus Torvalds
[not found] ` <CA+55aFxRnj97rpSQvvzLJhpo7C8TQ-F=eB1Ry2n53AV1rN8mwA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-28 7:38 ` Heiko Carstens [this message]
2015-01-28 7:38 ` Heiko Carstens
2015-01-29 6:59 ` Max Filippov
2015-01-29 18:16 ` Linus Torvalds
2015-02-02 0:23 ` Benjamin Herrenschmidt
2015-02-02 1:09 ` Linus Torvalds
2015-02-22 23:50 ` Benjamin Herrenschmidt
2015-02-22 23:50 ` [opensuse-factory] " Benjamin Herrenschmidt
2015-02-28 7:12 ` Generic page fault (Was: libsigsegv ....) Benjamin Herrenschmidt
2015-02-28 7:14 ` Benjamin Herrenschmidt
2015-02-28 10:36 ` Benjamin Herrenschmidt
2015-02-28 19:56 ` Linus Torvalds
2015-02-28 19:58 ` Linus Torvalds
2015-02-28 19:58 ` Linus Torvalds
2015-02-28 21:14 ` Benjamin Herrenschmidt
2015-02-28 21:49 ` Linus Torvalds
2015-02-28 21:49 ` Linus Torvalds
2015-02-28 22:49 ` Benjamin Herrenschmidt
2015-02-28 22:16 ` Benjamin Herrenschmidt
2015-02-28 22:50 ` Benjamin Herrenschmidt
2015-02-28 23:02 ` Benjamin Herrenschmidt
2015-02-28 23:02 ` Benjamin Herrenschmidt
2015-03-01 0:41 ` Linus Torvalds
2015-03-01 0:41 ` Linus Torvalds
2015-03-01 3:57 ` Benjamin Herrenschmidt
[not found] ` <CA+55aFyzy_wYHHnr2gDcYr7qcgOKM2557bRdg6RBa=cxrynd+Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-27 21:12 ` [opensuse-factory] Re: libsigsegv build fail with kernel 3.18.3 Jan Engelhardt
2015-01-27 21:12 ` [opensuse-factory] Re: [opensuse-kernel] " Jan Engelhardt
2015-01-27 21:32 ` Linus Torvalds
2015-01-27 22:14 ` Jan Engelhardt
2015-01-27 22:32 ` Linus Torvalds
2015-01-27 23:13 ` Jan Engelhardt
2015-01-27 23:53 ` David Miller
[not found] ` <CA+55aFzguEFfG2REN1soMC+0UJ7GtANfEvMoCNPt0QqmP9LKoA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-28 8:48 ` [opensuse-factory] " Andreas Schwab
2015-01-28 8:48 ` [opensuse-factory] Re: [opensuse-kernel] " Andreas Schwab
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