From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B96A22097 for ; Thu, 24 Jul 2025 02:49:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753325366; cv=none; b=q8f8fRLZHCkuR0vjU18lgjvq3A5pnFjP8OlMjBHy5FXdC2wcEJNtvmkf7MmkdZ0EJ+HUpDJm/ZCojruT0dRTSM8yvKgDsqb+IuF2VNU8m8yg6vMjr4cQZeCcuFusrAaOkjIFckFsXfLdvoqyeKONFf2XonwHIpwHCA94D9PPDZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753325366; c=relaxed/simple; bh=PQzmD1EtO87cCbmjbLgK4Rpzjk6/3kBhCzwTi7SqmYA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EQrOwhgP4FsPLTo9iFkMTrxEYkIx3/ymPDKiQ7HkVCo7gYA6mCKrNeJyM0cVLRWh4zoJr+GmgXBz4ukMFwLyHa5uiKFyRUDANMfvHBZO6srRUSWC1ew691t+bThBsb8OF9Ggj2rY8cQ7ByUlXpffITstWm991KfffOs6OtGVW2Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WMHVJo8F; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WMHVJo8F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76A17C4CEE7; Thu, 24 Jul 2025 02:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753325366; bh=PQzmD1EtO87cCbmjbLgK4Rpzjk6/3kBhCzwTi7SqmYA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WMHVJo8F6rRmy49hr0OJW/fj67GvbbwLZbrbeT4NkfEzSQx7DajJQrlMVKGDmRP3X sFbw4AS4PJK+1lXTNUYAek7TVAGe6+DeT/hVvUfMmDsOXM/E9sYS3bGlGk0SyITeBf K4GCJV/0eFaxqhS209nELfhaVGszWt1li0Ltp0SBkKsxa1INxXgN4HQa/WuGBSkJjy ThCxo2K3dz9AoP4bIzOUbZ0MYVZXwYjcrWUHQp7n3TFa6gAP/sB2j7c5TXbgYBOr/f QHd3wNdMUFP+TpAbvLPs8vT88wyTJhD6jW0L7hiScNwf5ohH1eYPSA815IzIt7/WQm nmFLxE1rkRSwA== From: Sasha Levin To: stable@vger.kernel.org Cc: Eric Biggers , Herbert Xu , Sasha Levin Subject: [PATCH 6.12.y] crypto: powerpc/poly1305 - add depends on BROKEN for now Date: Wed, 23 Jul 2025 22:49:21 -0400 Message-Id: <20250724024921.1276399-1-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <2025062040-renderer-tremor-6a52@gregkh> References: <2025062040-renderer-tremor-6a52@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Eric Biggers [ Upstream commit bc8169003b41e89fe7052e408cf9fdbecb4017fe ] As discussed in the thread containing https://lore.kernel.org/linux-crypto/20250510053308.GB505731@sol/, the Power10-optimized Poly1305 code is currently not safe to call in softirq context. Disable it for now. It can be re-enabled once it is fixed. Fixes: ba8f8624fde2 ("crypto: poly1305-p10 - Glue code for optmized Poly1305 implementation for ppc64le") Cc: stable@vger.kernel.org Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu [ applied to arch/powerpc/crypto/Kconfig ] Signed-off-by: Sasha Levin --- arch/powerpc/crypto/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig index 7012fa55aceb9..15783f2307dfe 100644 --- a/arch/powerpc/crypto/Kconfig +++ b/arch/powerpc/crypto/Kconfig @@ -143,6 +143,7 @@ config CRYPTO_CHACHA20_P10 config CRYPTO_POLY1305_P10 tristate "Hash functions: Poly1305 (P10 or later)" depends on PPC64 && CPU_LITTLE_ENDIAN && VSX + depends on BROKEN # Needs to be fixed to work in softirq context select CRYPTO_HASH select CRYPTO_LIB_POLY1305_GENERIC help -- 2.39.5