From: "Uwe Kleine-König" <u.kleine-koenig@baylibre.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
"T.J. Mercier" <tjmercier@google.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
Maxime Ripard <mripard@kernel.org>, Andrew Davis <afd@ti.com>,
Arnd Bergmann <arnd@arndb.de>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Mike Rapoport (Microsoft)" <rppt@kernel.org>,
"David Hildenbrand (Arm)" <david@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] s390: export memory encryption helper functions
Date: Tue, 9 Jun 2026 14:20:06 +0200 [thread overview]
Message-ID: <aigESvhKIU07k9l9@monoceros> (raw)
In-Reply-To: <20260526102113.2594501-1-arnd@kernel.org>
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Hello,
On Tue, May 26, 2026 at 12:20:37PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The set_memory_encrypted/set_memory_decrypted functions are exported
> on x86 and arm64 but not on s390, which leads to a new build failure
> because they are now used in a loadable module:
>
> ERROR: modpost: "set_memory_encrypted" [drivers/dma-buf/heaps/system_heap.ko] undefined!
> ERROR: modpost: "set_memory_decrypted" [drivers/dma-buf/heaps/system_heap.ko] undefined!
>
> Export these the same way we do on the other architectures.
>
> Fixes: fd55edff8a0a ("dma-buf: heaps: system: Turn the heap into a module")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
That problem still exists as of next-20260608. Even though there is
resistance to this approach, can we please apply this patch to fix the
build failure given that we're already at -rc7? This doesn't have to stop efforts to get rid of that
export for all archs.
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Best regards
Uwe
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next prev parent reply other threads:[~2026-06-09 12:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 10:20 [PATCH 1/2] s390: export memory encryption helper functions Arnd Bergmann
2026-05-26 10:59 ` Claudio Imbrenda
2026-06-09 12:20 ` Uwe Kleine-König [this message]
2026-06-09 12:38 ` Christian Borntraeger
2026-06-09 13:33 ` Heiko Carstens
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