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From: Oscar Salvador <osalvador@suse.de>
To: David Hildenbrand <david@redhat.com>
Cc: akpm@linux-foundation.org, n-horiguchi@ah.jp.nec.com,
	vbabka@suse.cz, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm,hwpoison: Return -EBUSY when migration fails
Date: Wed, 9 Dec 2020 11:36:49 +0100	[thread overview]
Message-ID: <20201209103649.GD30892@linux> (raw)
In-Reply-To: <a30f4786-7c54-9fa8-0d39-6ae4d10f93c2@redhat.com>

On Wed, Dec 09, 2020 at 10:59:04AM +0100, David Hildenbrand wrote:
> On 09.12.20 10:28, Oscar Salvador wrote:
> Do we expect callers to retry immediately? -EAGAIN might make also
> sense. But -EBUSY is an obvious improvement. Do we have callers relying
> on this behavior?

Not really, unless something LTP takes a look at the error code in retries
in case EBUSY.

Take into account that most of the callers do not even really check the
return code (GHES, RAS/CEC, etc.)

-- 
Oscar Salvador
SUSE L3

  reply	other threads:[~2020-12-09 10:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-09  9:28 [PATCH] mm,hwpoison: Return -EBUSY when migration fails Oscar Salvador
2020-12-09  9:57 ` HORIGUCHI NAOYA(堀口　直也)
2020-12-09  9:59 ` David Hildenbrand
2020-12-09 10:36   ` Oscar Salvador [this message]
2020-12-09 10:25 ` Vlastimil Babka
2020-12-09 10:38   ` Oscar Salvador

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