From: Andrew Morton <akpm@linux-foundation.org>
To: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Cc: linux-kernel@vger.kernel.org, benh@kernel.crashing.org,
linux@roeck-us.net, davem@davemloft.net
Subject: Re: [PATCH] iommu-common: Do not try to deref a null iommu->lazy_flush() pointer when n < pool->hint
Date: Thu, 17 Sep 2015 14:26:44 -0700 [thread overview]
Message-ID: <20150917142644.a7a3c272be10280028c5ad3a@linux-foundation.org> (raw)
In-Reply-To: <20150917015043.GC13020@oracle.com>
On Wed, 16 Sep 2015 21:50:43 -0400 Sowmini Varadhan <sowmini.varadhan@oracle.com> wrote:
> The check for invoking iommu->lazy_flush() from iommu_tbl_range_alloc()
> has to be refactored so that we only call ->lazy_flush() if it is non-null.
Patch looks good.
But I don't know which kernel versions need the fix. So, when fixing a
bug please always describe the end-user visible effects of that bug.
Under what circumstances did your kernel crash?
next prev parent reply other threads:[~2015-09-17 21:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-17 1:50 Sowmini Varadhan
2015-09-17 21:26 ` Andrew Morton [this message]
2015-09-17 21:32 ` Sowmini Varadhan
2015-09-17 21:41 ` Andrew Morton
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