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Thu, 26 Mar 2020 15:58:43 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Jens Axboe Cc: Michael Schmitz , Geert Uytterhoeven , Christoph Hellwig , linux-ide@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com Subject: [PATCH v5 14/27] ata: let compiler optimize out ata_dev_config_ncq() on non-SATA hosts Date: Thu, 26 Mar 2020 16:58:09 +0100 Message-Id: <20200326155822.19400-15-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200326155822.19400-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHKsWRmVeSWpSXmKPExsWy7djP87omF2viDK48UbBYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRXDYpqTmZZalF+nYJXBnr75xnK5jHUfHp8R72BsZjbF2MnBwS AiYSS+8sYOli5OIQEljBKPHz6j0o5wujxK0v7xghnM+MEi+XX2WHadl2axUzRGI5o8TtWR+Y QRIQLXeTQWw2ASuJie2rGEFsEQEFiZ7fK9lAGpgF3jNKrJi0lwUkISyQKLF32yKwIhYBVYkt DU1gG3gF7CS+9K5mgdgmL7H12ydWEJsTKL583XxmiBpBiZMzn4DVMAPVNG+dDXaRhMAydomJ s79Aneoi8WjbdqhBwhKvjm+BistInJ7cwwLRsI5R4m/HC6ju7YwSyyf/g4aNtcSdc7+AbA6g FZoS63fpQ4QdJd6+2MYOEpYQ4JO48VYQ4gg+iUnbpjNDhHklOtqEIKrVJDYs28AGs7Zr50pm CNtDYsGktcwTGBVnIXlnFpJ3ZiHsXcDIvIpRPLW0ODc9tdgoL7Vcrzgxt7g0L10vOT93EyMw FZ3+d/zLDsZdf5IOMQpwMCrx8Gq01MQJsSaWFVfmHmKU4GBWEuF9GgkU4k1JrKxKLcqPLyrN SS0+xCjNwaIkzmu86GWskEB6YklqdmpqQWoRTJaJg1OqgZFnfsyXp6//n72y4Zn+/kVvJkcH zGNi9su31TgcyOu9/9dW1ryZz8yDj5QdqbrivUnf9f/rEzrC+q/nvm02t9xUOocx4f6Rax8t Jvq9CNtop9C8Vz+1zv5JuICd2m2uO3sWOhlHXWR5zte/vC30Y5v9/lWzqrlaqhan+Xrcm38u J0OhMi20bpoSS3FGoqEWc1FxIgAIJ2mJQQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNIsWRmVeSWpSXmKPExsVy+t/xu7omF2viDM6vZbdYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpGJpZ6hsbmsVZGpkr6 djYpqTmZZalF+nYJehnr75xnK5jHUfHp8R72BsZjbF2MnBwSAiYS226tYu5i5OIQEljKKHG4 u5+pi5EDKCEjcXx9GUSNsMSfa11sEDWfGCVaJz9hBEmwCVhJTGxfBWaLCChI9PxeCVbELPCV UWLppG5mkISwQLxEZ88NFhCbRUBVYktDEzuIzStgJ/GldzULxAZ5ia3fPrGC2JxA8eXr5oP1 CgnYSiz+8oEJol5Q4uTMJ2D1zED1zVtnM09gFJiFJDULSWoBI9MqRpHU0uLc9NxiQ73ixNzi 0rx0veT83E2MwIjZduzn5h2MlzYGH2IU4GBU4uHVaKmJE2JNLCuuzD3EKMHBrCTC+zQSKMSb klhZlVqUH19UmpNafIjRFOiJicxSosn5wGjOK4k3NDU0t7A0NDc2NzazUBLn7RA4GCMkkJ5Y kpqdmlqQWgTTx8TBKdXAmOfi+u7am3NBasaxTxuff5iQs+hSw6cLBxqblzoLbt/mHGydJHpZ XvXquVk6eiZiyfzumxdOzTg/LyYu8U/fritPhPm/5G783y5x2aboNHPdS5Eb78zWLUuX2HYw 7MXV5R+OmJ5RWKF+qkDoe7RHbG9vVeive3Hm7NOPzCyStF+dvah9zdnINCWW4oxEQy3mouJE AD2UzR2uAgAA X-CMS-MailID: 20200326155844eucas1p2e9676a4dd5205dc66c464cf8d9f4efb7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200326155844eucas1p2e9676a4dd5205dc66c464cf8d9f4efb7 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200326155844eucas1p2e9676a4dd5205dc66c464cf8d9f4efb7 References: <20200326155822.19400-1-b.zolnierkie@samsung.com> Sender: linux-m68k-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org Add !IS_ENABLED(CONFIG_SATA_HOST) to ata_dev_config_ncq() to allow compiler to optimize out the function for non-SATA configs. Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 37582 572 40 38194 9532 drivers/ata/libata-core.o after: 36462 572 40 37074 90d2 drivers/ata/libata-core.o Reviewed-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ata/libata-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 0a56968e2e98..dcdb7fb46dbd 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2287,6 +2287,8 @@ static int ata_dev_config_ncq(struct ata_device *dev, desc[0] = '\0'; return 0; } + if (!IS_ENABLED(CONFIG_SATA_HOST)) + return 0; if (dev->horkage & ATA_HORKAGE_NONCQ) { snprintf(desc, desc_sz, "NCQ (not used)"); return 0; -- 2.24.1