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[50.57.142.19]) by mx.google.com with ESMTPS id b1si16818681qcs.28.2014.04.22.06.16.00 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 22 Apr 2014 06:16:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of xen-devel-bounces@lists.xen.org designates 50.57.142.19 as permitted sender) client-ip=50.57.142.19; Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WcaX7-0005mZ-QS; Tue, 22 Apr 2014 13:14:45 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WcaX6-0005lu-5P for xen-devel@lists.xenproject.org; Tue, 22 Apr 2014 13:14:44 +0000 Received: from [193.109.254.147:3577] by server-10.bemta-14.messagelabs.com id 62/BE-04546-34B66535; Tue, 22 Apr 2014 13:14:43 +0000 X-Env-Sender: julien.grall@linaro.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1398172482!124528!1 X-Originating-IP: [74.125.83.50] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28814 invoked from network); 22 Apr 2014 13:14:42 -0000 Received: from mail-ee0-f50.google.com (HELO mail-ee0-f50.google.com) (74.125.83.50) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Apr 2014 13:14:42 -0000 Received: by mail-ee0-f50.google.com with SMTP id c13so4565894eek.23 for ; Tue, 22 Apr 2014 06:14:42 -0700 (PDT) X-Received: by 10.15.50.136 with SMTP id l8mr11543720eew.73.1398172482455; Tue, 22 Apr 2014 06:14:42 -0700 (PDT) Received: from belegaer.uk.xensource.com ([185.25.64.249]) by mx.google.com with ESMTPSA id 45sm112969867eeh.9.2014.04.22.06.14.41 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Apr 2014 06:14:41 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 22 Apr 2014 14:14:16 +0100 Message-Id: <1398172475-27873-3-git-send-email-julien.grall@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1398172475-27873-1-git-send-email-julien.grall@linaro.org> References: <1398172475-27873-1-git-send-email-julien.grall@linaro.org> Cc: stefano.stabellini@citrix.com, Julien Grall , tim@xen.org, ian.campbell@citrix.com Subject: [Xen-devel] [PATCH v4 02/21] xen/arm: Constify address pointer for cache helpers X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: julien.grall@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.169 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Archive: The memory pointed by this pointer is not modified in clean_xen_dcache_va_range and clean_and_invalidate_xen_dcache_va_range. Constify it. This will allow us to use theses helpers later in code which use const. Signed-off-by: Julien Grall Acked-by: Ian Campbell --- xen/include/asm-arm/page.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/xen/include/asm-arm/page.h b/xen/include/asm-arm/page.h index 0c0fd37..c38e9c9 100644 --- a/xen/include/asm-arm/page.h +++ b/xen/include/asm-arm/page.h @@ -260,9 +260,9 @@ extern size_t cacheline_bytes; /* Functions for flushing medium-sized areas. * if 'range' is large enough we might want to use model-specific * full-cache flushes. */ -static inline void clean_xen_dcache_va_range(void *p, unsigned long size) +static inline void clean_xen_dcache_va_range(const void *p, unsigned long size) { - void *end; + const void *end; dsb(sy); /* So the CPU issues all writes to the range */ for ( end = p + size; p < end; p += cacheline_bytes ) asm volatile (__clean_xen_dcache_one(0) : : "r" (p)); @@ -270,9 +270,9 @@ static inline void clean_xen_dcache_va_range(void *p, unsigned long size) } static inline void clean_and_invalidate_xen_dcache_va_range - (void *p, unsigned long size) + (const void *p, unsigned long size) { - void *end; + const void *end; dsb(sy); /* So the CPU issues all writes to the range */ for ( end = p + size; p < end; p += cacheline_bytes ) asm volatile (__clean_and_invalidate_xen_dcache_one(0) : : "r" (p));