From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo de Lara Subject: [PATCH 1/3] eal: add const in prefetch functions Date: Thu, 18 Sep 2014 11:34:29 +0100 Message-ID: <1411036471-3822-2-git-send-email-pablo.de.lara.guarch@intel.com> References: <1411036471-3822-1-git-send-email-pablo.de.lara.guarch@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1411036471-3822-1-git-send-email-pablo.de.lara.guarch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" rte_prefetchX functions included volatile void *p as parameter, but the function does not modify it, so it should be const. Signed-off-by: Pablo de Lara --- lib/librte_eal/common/include/rte_prefetch.h | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/lib/librte_eal/common/include/rte_prefetch.h b/lib/librte_eal/common/include/rte_prefetch.h index 8a691ef..2d59009 100644 --- a/lib/librte_eal/common/include/rte_prefetch.h +++ b/lib/librte_eal/common/include/rte_prefetch.h @@ -55,9 +55,9 @@ extern "C" { * @param p * Address to prefetch */ -static inline void rte_prefetch0(volatile void *p) +static inline void rte_prefetch0(const volatile void *p) { - asm volatile ("prefetcht0 %[p]" : [p] "+m" (*(volatile char *)p)); + asm volatile ("prefetcht0 %[p]" : : [p] "m" (*(const volatile char *)p)); } /** @@ -65,9 +65,9 @@ static inline void rte_prefetch0(volatile void *p) * @param p * Address to prefetch */ -static inline void rte_prefetch1(volatile void *p) +static inline void rte_prefetch1(const volatile void *p) { - asm volatile ("prefetcht1 %[p]" : [p] "+m" (*(volatile char *)p)); + asm volatile ("prefetcht1 %[p]" : : [p] "m" (*(const volatile char *)p)); } /** @@ -76,9 +76,9 @@ static inline void rte_prefetch1(volatile void *p) * @param p * Address to prefetch */ -static inline void rte_prefetch2(volatile void *p) +static inline void rte_prefetch2(const volatile void *p) { - asm volatile ("prefetcht2 %[p]" : [p] "+m" (*(volatile char *)p)); + asm volatile ("prefetcht2 %[p]" : : [p] "m" (*(const volatile char *)p)); } #ifdef __cplusplus -- 1.7.7.6