From: Eric Biggers <ebiggers@kernel.org>
To: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] lib/crypto: powerpc/aes: Fix rndkey_from_vsx() on big endian CPUs
Date: Wed, 18 Feb 2026 13:40:10 -0800 [thread overview]
Message-ID: <20260218214010.GA2128@quark> (raw)
In-Reply-To: <20260216022104.332991-1-ebiggers@kernel.org>
On Sun, Feb 15, 2026 at 06:21:04PM -0800, Eric Biggers wrote:
> I finally got a big endian PPC64 kernel to boot in QEMU. The PPC64 VSX
> optimized AES library code does work in that case, with the exception of
> rndkey_from_vsx() which doesn't take into account that the order in
> which the VSX code stores the round key words depends on the endianness.
> So fix rndkey_from_vsx() to do the right thing on big endian CPUs.
>
> Fixes: 7cf2082e74ce ("lib/crypto: powerpc/aes: Migrate POWER8 optimized code into library")
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> ---
> lib/crypto/powerpc/aes.h | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next
- Eric
prev parent reply other threads:[~2026-02-18 21:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-16 2:21 [PATCH] lib/crypto: powerpc/aes: Fix rndkey_from_vsx() on big endian CPUs Eric Biggers
2026-02-18 21:40 ` Eric Biggers [this message]
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