From: Steven Rostedt <rostedt@goodmis.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Willem de Bruijn <willemb@google.com>,
Jakub Kicinski <kuba@kernel.org>,
David Miller <davem@davemloft.net>,
Jonathan Lemon <jonathan.lemon@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
"the arch/x86 maintainers" <x86@kernel.org>,
Christoph Hellwig <hch@lst.de>,
Matthew Wilcox <willy@infradead.org>,
Daniel Vetter <daniel@ffwll.ch>,
Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
Netdev <netdev@vger.kernel.org>
Subject: Re: [BUG] from x86: Support kmap_local() forced debugging
Date: Wed, 6 Jan 2021 20:49:14 -0500 [thread overview]
Message-ID: <20210106204914.40eaf49a@oasis.local.home> (raw)
In-Reply-To: <CAHk-=wh2895wXEXYtb70CTgW+UR7jfh6VFhJB_bOrF0L7UKoEg@mail.gmail.com>
On Wed, 6 Jan 2021 17:03:48 -0800
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -366,7 +366,7 @@ static inline void skb_frag_size_sub(skb_frag_t *frag, int delta)
> static inline bool skb_frag_must_loop(struct page *p)
> {
> #if defined(CONFIG_HIGHMEM)
> - if (PageHighMem(p))
> + if (IS_ENABLED(CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP) || PageHighMem(p))
> return true;
> #endif
> return false;
I applied this and I haven't been able to crash it again.
Thanks,
-- Steve
next prev parent reply other threads:[~2021-01-07 1:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201118194838.753436396@linutronix.de>
[not found] ` <20201118204007.169209557@linutronix.de>
[not found] ` <20210106180132.41dc249d@gandalf.local.home>
2021-01-07 1:03 ` [BUG] from x86: Support kmap_local() forced debugging Linus Torvalds
2021-01-07 1:16 ` Steven Rostedt
2021-01-07 1:49 ` Steven Rostedt [this message]
2021-01-07 1:49 ` Jakub Kicinski
2021-01-07 2:11 ` Willem de Bruijn
2021-01-07 4:44 ` Willem de Bruijn
2021-01-07 19:47 ` Linus Torvalds
2021-01-07 20:52 ` Steven Rostedt
2021-01-07 21:07 ` Willem de Bruijn
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=20210106204914.40eaf49a@oasis.local.home \
--to=rostedt@goodmis.org \
--cc=akpm@linux-foundation.org \
--cc=bristot@redhat.com \
--cc=bsegall@google.com \
--cc=daniel@ffwll.ch \
--cc=davem@davemloft.net \
--cc=dietmar.eggemann@arm.com \
--cc=hch@lst.de \
--cc=jonathan.lemon@gmail.com \
--cc=juri.lelli@redhat.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mgorman@suse.de \
--cc=mingo@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=vincent.guittot@linaro.org \
--cc=willemb@google.com \
--cc=willy@infradead.org \
--cc=x86@kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox