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From: Tony Luck <tony.luck@gmail.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: "linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Fenghua Yu <fenghua.yu@intel.com>
Subject: Re: ia64 exceptions (Re: [RFC][CFT][PATCHSET v1] uaccess unification)
Date: Wed, 5 Apr 2017 11:44:23 -0700	[thread overview]
Message-ID: <CA+8MBbKVJ030N4fJ=jzXaMoEePV4v0PVAs_OJ0p9Lg+VTJDeLw@mail.gmail.com> (raw)
In-Reply-To: <20170405080857.GR29622@ZenIV.linux.org.uk>

On Wed, Apr 5, 2017 at 1:08 AM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> ... and sure enough, on generic kernel (CONFIG_ITANIUM) that yields a nice
> shiny oops at precisely that insn.

The right fix here might be to delete all the CONFIG_ITANIUM paths. I
doubt that anyone is still running upstream kernels on Merced CPUs
(and if they are, it might be a kindness to them to make them stop).

> We really need tests for uaccess primitives.  That's not a recent regression,
> BTW - it had been that way since 2.3.48-pre2, as far as I can see.

Probably be handy for new architectures to test all the corner cases.

-Tony

  reply	other threads:[~2017-04-05 18:44 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-29  5:57 [RFC][CFT][PATCHSET v1] uaccess unification Al Viro
2017-03-29 20:08 ` Vineet Gupta
2017-03-29 20:29   ` Al Viro
2017-03-29 20:37     ` Linus Torvalds
2017-03-29 21:03       ` Al Viro
2017-03-29 21:24         ` Linus Torvalds
2017-03-29 23:09           ` Al Viro
2017-03-29 23:43             ` Linus Torvalds
2017-03-30 15:31               ` Al Viro
2017-03-29 21:14     ` Vineet Gupta
2017-03-29 23:42       ` Al Viro
2017-03-30  0:02         ` Vineet Gupta
2017-03-30  0:27           ` Linus Torvalds
2017-03-30  1:15             ` Al Viro
2017-03-30 20:40             ` Vineet Gupta
2017-03-30 20:59               ` Linus Torvalds
2017-03-30 23:21                 ` Russell King - ARM Linux
2017-03-30 12:32 ` Martin Schwidefsky
2017-03-30 14:48   ` Al Viro
2017-03-30 16:22 ` Russell King - ARM Linux
2017-03-30 16:43   ` Al Viro
2017-03-30 17:18     ` Linus Torvalds
2017-03-30 18:48       ` Al Viro
2017-03-30 18:54         ` Al Viro
2017-03-30 18:59           ` Linus Torvalds
2017-03-30 19:10             ` Al Viro
2017-03-30 19:19               ` Linus Torvalds
2017-03-30 21:08                 ` Al Viro
2017-03-30 18:56         ` Linus Torvalds
2017-03-31  0:21 ` Kees Cook
2017-03-31 13:38   ` James Hogan
2017-04-03 16:27 ` James Morse
2017-04-04 20:26 ` Max Filippov
2017-04-04 20:52   ` Al Viro
2017-04-05  5:05 ` ia64 exceptions (Re: [RFC][CFT][PATCHSET v1] uaccess unification) Al Viro
2017-04-05  8:08   ` Al Viro
2017-04-05 18:44     ` Tony Luck [this message]
2017-04-05 20:33       ` Al Viro
2017-04-07  0:24 ` [RFC][CFT][PATCHSET v2] uaccess unification Al Viro
2017-04-07  0:35   ` Al Viro

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