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Date:   Fri, 1 May 2020 01:46:34 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     ira.weiny@intel.com
Cc:     linux-kernel@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
        linux-xtensa@linux-xtensa.org
Subject: xtensa question, was Re: [PATCH V1 00/10] Remove duplicated kmap code
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Hi Max,

any idea why xtensa uses PAGE_KERNEL_EXEC instead of PAGE_KERNEL
for kmap_prot?  Mapping all mapped highmem as executable seems rather
dangerous.