From a728b4ea94c406513e3d3167ba74c7b3314df3ce Mon Sep 17 00:00:00 2001
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Wed, 24 Apr 2019 10:30:28 +0200
Subject: [PATCH 09/12] crypto: annotate xts_tweak_encdec as inlineable
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RH-Author: Daniel P. Berrange <berrange@redhat.com>
Message-id: <20190424103030.2925-8-berrange@redhat.com>
Patchwork-id: 85893
O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 7/9] crypto: annotate xts_tweak_encdec as inlineable
Bugzilla: 1666336
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: John Snow <jsnow@redhat.com>
RH-Acked-by: Eric Blake <eblake@redhat.com>

Encouraging the compiler to inline xts_tweak_encdec increases the
performance for xts-aes-128 when built with gcrypt:

  Encrypt: 545 MB/s -> 580 MB/s
  Decrypt: 568 MB/s -> 602 MB/s

Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit aa895bd439341a8f218d8f1a3d21359ba058c13f)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 crypto/xts.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/crypto/xts.c b/crypto/xts.c
index 10ec83f..4277ad4 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -81,11 +81,11 @@ static void xts_mult_x(xts_uint128 *I)
  *
  * Encrypt/decrypt data with a tweak
  */
-static void xts_tweak_encdec(const void *ctx,
-                             xts_cipher_func *func,
-                             const xts_uint128 *src,
-                             xts_uint128 *dst,
-                             xts_uint128 *iv)
+static inline void xts_tweak_encdec(const void *ctx,
+                                    xts_cipher_func *func,
+                                    const xts_uint128 *src,
+                                    xts_uint128 *dst,
+                                    xts_uint128 *iv)
 {
     /* tweak encrypt block i */
     xts_uint128_xor(dst, src, iv);
-- 
1.8.3.1