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From: Andrew Morton <akpm@linux-foundation.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: dan.j.williams@intel.com, linux-nvdimm@lists.01.org,
	linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] mm/nvdimm: Add is_ioremap_addr and use that to check ioremap address
Date: Mon, 1 Jul 2019 16:51:52 -0700	[thread overview]
Message-ID: <20190701165152.7a55299eb670b0ca326f24dd@linux-foundation.org> (raw)
In-Reply-To: <20190701134038.14165-1-aneesh.kumar@linux.ibm.com>

On Mon,  1 Jul 2019 19:10:38 +0530 "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> wrote:

> Architectures like powerpc use different address range to map ioremap
> and vmalloc range. The memunmap() check used by the nvdimm layer was
> wrongly using is_vmalloc_addr() to check for ioremap range which fails for
> ppc64. This result in ppc64 not freeing the ioremap mapping. The side effect
> of this is an unbind failure during module unload with papr_scm nvdimm driver

The patch applies to 5.1.  Does it need a Fixes: and a Cc:stable?


  reply	other threads:[~2019-07-01 23:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-01 13:40 [PATCH] mm/nvdimm: Add is_ioremap_addr and use that to check ioremap address Aneesh Kumar K.V
2019-07-01 23:51 ` Andrew Morton [this message]
2019-07-02  3:33   ` Aneesh Kumar K.V
2019-07-04 14:23     ` Michael Ellerman

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