linux-kernel - Re: [PATCH -fixes] mm: Add a call to flush_cache_vmap() in vmap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZNQSTw4uoksSMYB5@infradead.org>
Date:   Wed, 9 Aug 2023 15:25:19 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Alexandre Ghiti <alexghiti@...osinc.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Uladzislau Rezki <urezki@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        Lorenzo Stoakes <lstoakes@...il.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Dylan Jhong <dylan@...estech.com>
Subject: Re: [PATCH -fixes] mm: Add a call to flush_cache_vmap() in vmap_pfn()

On Wed, Aug 09, 2023 at 06:46:33PM +0200, Alexandre Ghiti wrote:
> flush_cache_vmap() must be called after new vmalloc mappings are
> installed in the page table in order to allow architectures to make sure
> the new mapping is visible.

Looks good.  I somehow vaguely remember seing a patch like this floating
around before as part of a series, but if that didn't make it it
certainly should now.

Reviewed-by: Christoph Hellwig <hch@....de>