From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>
Subject: Re: Generic page fault (Was: libsigsegv ....)
Date: Sun, 01 Mar 2015 09:50:29 +1100 [thread overview]
Message-ID: <1425163829.4645.152.camel@kernel.crashing.org> (raw)
In-Reply-To: <1425161796.4645.149.camel@kernel.crashing.org>
On Sun, 2015-03-01 at 09:16 +1100, Benjamin Herrenschmidt wrote:
> So for error handling, I'm trying to simply return the VM_FAULT_* flags
> from generic_page_fault see where that takes us. That's a way to avoid
> passing an arch specific struct around. It also allows my hack to
> account major faults with the hypervisor to be done outside the generic
> code completely (no hook).
I suspect sparc64 will defeat the "not passing an arch struct around"
though... oh well.
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>
Subject: Re: Generic page fault (Was: libsigsegv ....)
Date: Sun, 01 Mar 2015 09:50:29 +1100 [thread overview]
Message-ID: <1425163829.4645.152.camel@kernel.crashing.org> (raw)
In-Reply-To: <1425161796.4645.149.camel@kernel.crashing.org>
On Sun, 2015-03-01 at 09:16 +1100, Benjamin Herrenschmidt wrote:
> So for error handling, I'm trying to simply return the VM_FAULT_* flags
> from generic_page_fault see where that takes us. That's a way to avoid
> passing an arch specific struct around. It also allows my hack to
> account major faults with the hypervisor to be done outside the generic
> code completely (no hook).
I suspect sparc64 will defeat the "not passing an arch struct around"
though... oh well.
Ben.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2015-02-28 22:50 UTC|newest]
Thread overview: 43+ 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 ` [opensuse-factory] " Heiko Carstens
2015-01-28 7:38 ` [opensuse-factory] Re: [opensuse-kernel] " 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 7:14 ` Benjamin Herrenschmidt
2015-02-28 10:36 ` Benjamin Herrenschmidt
2015-02-28 10:36 ` Benjamin Herrenschmidt
2015-02-28 19:56 ` Linus Torvalds
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 21:14 ` 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 22:49 ` Benjamin Herrenschmidt
2015-02-28 22:16 ` Benjamin Herrenschmidt
2015-02-28 22:16 ` Benjamin Herrenschmidt
2015-02-28 22:50 ` Benjamin Herrenschmidt [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1425163829.4645.152.camel@kernel.crashing.org \
--to=benh@kernel.crashing.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.