Re: [PATCH bpf-next 1/3] mm/vmalloc: introduce vmalloc_exec which allocates RO+X memory
From: Christoph Hellwig <hch@infradead.org>
Date: 2022-07-14 04:27:46
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On Wed, Jul 13, 2022 at 03:49:45PM +0000, Song Liu wrote:
quoted
On Jul 13, 2022, at 3:08 AM, Christoph Hellwig [off-list ref] wrote: NAK. This is not something that should be an exported public API ever.Hmm.. I will remove EXPORT_SYMBOL_GPL (if we ever do a v2 of this..)
Even without that it really is not a vmalloc API anyway. Executable memory needs to be written first, so we should allocate it in that state and only mark it executable after that write has completed.