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Date:   Tue, 9 May 2023 13:46:09 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Kent Overstreet <kent.overstreet@linux.dev>
Cc:     linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-bcachefs@vger.kernel.org,
        Kent Overstreet <kent.overstreet@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Uladzislau Rezki <urezki@gmail.com>,
        Christoph Hellwig <hch@infradead.org>, linux-mm@kvack.org
Subject: Re: [PATCH 07/32] mm: Bring back vmalloc_exec
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On Tue, May 09, 2023 at 12:56:32PM -0400, Kent Overstreet wrote:
> From: Kent Overstreet <kent.overstreet@gmail.com>
> 
> This is needed for bcachefs, which dynamically generates per-btree node
> unpack functions.

No, we will never add back a way for random code allocating executable
memory in kernel space.