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From a728b4ea94c406513e3d3167ba74c7b3314df3ce Mon Sep 17 00:00:00 2001
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From: "Daniel P. Berrange" <berrange@redhat.com>
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Date: Wed, 24 Apr 2019 10:30:28 +0200
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Subject: [PATCH 09/12] crypto: annotate xts_tweak_encdec as inlineable
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Daniel P. Berrange <berrange@redhat.com>
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Message-id: <20190424103030.2925-8-berrange@redhat.com>
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Patchwork-id: 85893
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O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 7/9] crypto: annotate xts_tweak_encdec as inlineable
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Bugzilla: 1666336
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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Encouraging the compiler to inline xts_tweak_encdec increases the
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performance for xts-aes-128 when built with gcrypt:
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Encrypt: 545 MB/s -> 580 MB/s
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Decrypt: 568 MB/s -> 602 MB/s
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Reviewed-by: Alberto Garcia <berto@igalia.com>
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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(cherry picked from commit aa895bd439341a8f218d8f1a3d21359ba058c13f)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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crypto/xts.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/crypto/xts.c b/crypto/xts.c
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index 10ec83f..4277ad4 100644
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--- a/crypto/xts.c
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+++ b/crypto/xts.c
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@@ -81,11 +81,11 @@ static void xts_mult_x(xts_uint128 *I)
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*
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* Encrypt/decrypt data with a tweak
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*/
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-static void xts_tweak_encdec(const void *ctx,
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- xts_cipher_func *func,
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- const xts_uint128 *src,
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- xts_uint128 *dst,
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- xts_uint128 *iv)
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+static inline void xts_tweak_encdec(const void *ctx,
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+ xts_cipher_func *func,
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+ const xts_uint128 *src,
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+ xts_uint128 *dst,
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+ xts_uint128 *iv)
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{
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/* tweak encrypt block i */
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xts_uint128_xor(dst, src, iv);
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--
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1.8.3.1
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