From: Chuck Ebbert Subject: [patch 3/3] crypto: padlock-aes: enable on 64-bit kernels Date: Tue, 9 Jun 2009 10:39:07 -0400 Message-ID: <20090609103907.1903878c@dhcp-100-2-144.bos.redhat.com> References: <20090609103533.0c334594@dhcp-100-2-144.bos.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Herbert Xu , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Sebastian Andrzej Siewior To: Harald Welte Return-path: Received: from mx2.redhat.com ([66.187.237.31]:48650 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750880AbZFIOkA (ORCPT ); Tue, 9 Jun 2009 10:40:00 -0400 In-Reply-To: <20090609103533.0c334594@dhcp-100-2-144.bos.redhat.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Sebastian Andrzej Siewior crypto: padlock-aes: enable on 64-bit kernels The only required change now is using the right push/pop instruction on x86-64. Taken from the original patch by Sebastian Andrzej Siewior. (Added a dependency on X86.) Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Chuck Ebbert diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -12,7 +12,7 @@ if CRYPTO_HW config CRYPTO_DEV_PADLOCK tristate "Support for VIA PadLock ACE" - depends on X86_32 && !UML + depends on X86 && !UML select CRYPTO_ALGAPI help Some VIA processors come with an integrated crypto engine diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 3f0fdd1..ddd27c7 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -154,7 +154,11 @@ static inline void padlock_reset_key(struct cword *cword) int cpu = raw_smp_processor_id(); if (cword != per_cpu(last_cword, cpu)) +#ifndef CONFIG_X86_64 asm volatile ("pushfl; popfl"); +#else + asm volatile ("pushfq; popfq"); +#endif } static inline void padlock_store_cword(struct cword *cword)