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From: Andrew Morton <akpm@linux-foundation.org>
To: Punit Agrawal <punit.agrawal@arm.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Michal Hocko <mhocko@kernel.org>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH v2] mm: hwpoison: disable memory error handling on 1GB hugepage
Date: Thu, 8 Feb 2018 12:17:49 -0800	[thread overview]
Message-ID: <20180208121749.0ac09af2b5a143106f339f55@linux-foundation.org> (raw)
In-Reply-To: <87fu6bfytm.fsf@e105922-lin.cambridge.arm.com>

On Thu, 08 Feb 2018 12:30:45 +0000 Punit Agrawal <punit.agrawal@arm.com> wrote:

> >
> > So I don't think that the above test result means that errors are properly
> > handled, and the proposed patch should help for arm64.
> 
> Although, the deviation of pud_huge() avoids a kernel crash the code
> would be easier to maintain and reason about if arm64 helpers are
> consistent with expectations by core code.
> 
> I'll look to update the arm64 helpers once this patch gets merged. But
> it would be helpful if there was a clear expression of semantics for
> pud_huge() for various cases. Is there any version that can be used as
> reference?

Is that an ack or tested-by?

Mike keeps plaintively asking the powerpc developers to take a look,
but they remain steadfastly in hiding.

Folks, this patch fixes a BUG and is marked for -stable.  Can we please
prioritize it?

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  reply	other threads:[~2018-02-08 20:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1517207283-15769-1-git-send-email-n-horiguchi@ah.jp.nec.com>
2018-01-29  6:30 ` [PATCH v1] mm: hwpoison: disable memory error handling on 1GB hugepage Naoya Horiguchi
2018-01-29  9:54   ` Michal Hocko
2018-01-29 18:08     ` Mike Kravetz
2018-01-30  1:39       ` Naoya Horiguchi
2018-01-30  3:54         ` [PATCH v2] " Naoya Horiguchi
2018-01-30 23:56           ` Mike Kravetz
2018-02-05 15:05           ` Punit Agrawal
2018-02-07  1:14             ` Naoya Horiguchi
2018-02-08 12:30               ` Punit Agrawal
2018-02-08 20:17                 ` Andrew Morton [this message]
2018-02-09 11:06                   ` Punit Agrawal
2018-02-13  2:48                   ` Michael Ellerman
2018-02-13 22:33                     ` Mike Kravetz
2019-05-28  9:49                       ` Wanpeng Li
2019-05-29 23:31                         ` Mike Kravetz
2019-06-10 23:50                           ` Naoya Horiguchi
2019-06-11  8:42                             ` Wanpeng Li
2019-08-20  7:03                             ` Wanpeng Li
2019-08-21  5:39                               ` ##freemail## " Naoya Horiguchi
2019-08-21  7:15                                 ` Wanpeng Li
2018-02-09  1:17                 ` Naoya Horiguchi
2018-02-13 19:01                   ` Punit Agrawal

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