From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 25 Sep 2024 18:11:26 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1stUbt-002f0r-18 for lore@lore.pengutronix.de; Wed, 25 Sep 2024 18:11:26 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stUbt-0008EC-R6 for lore@pengutronix.de; Wed, 25 Sep 2024 18:11:26 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=AKLSXyPNCiNHkuK2U3uQODXeDxci93HxrTKk7tK91Gg=; b=pxL/Cip/iwf0wyI63m5OqVW48L T8T+7brxxD+or/dxvOAGD1MTPVnLD+Xj2KWWt5x3VXOcusTTZ1mB4C51oOLxJh7IZXRy91p7v+nI3 ezs/6UseG/70ydbKd2Zk9VL6kTJsR5ptk+eel8/LjjdkQn4tQLz7PCcC2yfX1RMedMw4AnfCjyXiW +nYZy0Oh1N3ocA/cL5Zq5xwgeiiGQxzCekWaQAEfzkUUCkNKJ3lFblWeAxkWqa/NU8ucl5OSARMyJ 6raDRvqm1TLK1u6tfL9RJS8Jpj/vaEnNp/P+y2JgT5W4Q5DIkydLAepQbI3eBe+zWsfAQKxVvc1IP u1xM0ODg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stUbW-000000060Xu-0wbr; Wed, 25 Sep 2024 16:11:02 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stUbS-000000060Wg-2McX for barebox@lists.infradead.org; Wed, 25 Sep 2024 16:11:00 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1stUbR-000884-BD; Wed, 25 Sep 2024 18:10:57 +0200 Message-ID: <99c810ae-a3da-4f53-8f5f-d9e4b53cfc47@pengutronix.de> Date: Wed, 25 Sep 2024 18:10:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Sascha Hauer , "open list:BAREBOX" References: <20240925-arm-assembly-memmove-v1-0-0d92103658a0@pengutronix.de> <20240925-arm-assembly-memmove-v1-9-0d92103658a0@pengutronix.de> Content-Language: en-US From: Ahmad Fatoum In-Reply-To: <20240925-arm-assembly-memmove-v1-9-0d92103658a0@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240925_091058_637903_0EF5A9C7 X-CRM114-Status: GOOD ( 17.55 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 09/10] lib/string.c: export non optimized memmove as __default_memmove X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On 25.09.24 15:55, Sascha Hauer wrote: > When an architecture defines __HAVE_ARCH_MEMMOVE then the generic > non optimized memmove is not compiled in. It is needed on ARM64 > as a fallback in certain cases though, so make it available as > __default_memmove just like done with __default_memcpy already. > > Signed-off-by: Sascha Hauer Reviewed-by: Ahmad Fatoum > --- > lib/string.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/lib/string.c b/lib/string.c > index 374f326143..98dd3cffdd 100644 > --- a/lib/string.c > +++ b/lib/string.c > @@ -666,7 +666,6 @@ void *mempcpy(void *dest, const void *src, size_t count) > } > EXPORT_SYMBOL(mempcpy); > > -#ifndef __HAVE_ARCH_MEMMOVE > /** > * memmove - Copy one area of memory to another > * @dest: Where to copy to > @@ -675,7 +674,7 @@ EXPORT_SYMBOL(mempcpy); > * > * Unlike memcpy(), memmove() copes with overlapping areas. > */ > -void * memmove(void * dest,const void *src,size_t count) > +void *__default_memmove(void * dest,const void *src,size_t count) > { > char *tmp, *s; > > @@ -694,6 +693,13 @@ void * memmove(void * dest,const void *src,size_t count) > > return dest; > } > +EXPORT_SYMBOL(__default_memmove); > + > +#ifndef __HAVE_ARCH_MEMMOVE > +void *memmove(void * dest, const void *src, size_t count) > + __alias(__default_memmove); > +void *__memmove(void * dest, const void *src, size_t count) > + __alias(__default_memmove); > #endif > EXPORT_SYMBOL(memmove); > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |