Message ID | 1450228238-4499-16-git-send-email-noamc@ezchip.com |
---|---|
State | Superseded |
Headers | show
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X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [157.56.112.69 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [157.56.112.69 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux on Synopsys ARC Processors <linux-snps-arc.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-snps-arc/> List-Post: <mailto:linux-snps-arc@lists.infradead.org> List-Help: <mailto:linux-snps-arc-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=subscribe> Cc: Peter Zijlstra <peterz@infradead.org>, cmetcalf@ezchip.com, daniel.lezcano@linaro.org, Noam Camus <noamc@ezchip.com>, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" <linux-snps-arc-bounces@lists.infradead.org> Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h index a720998..a559732 100644 --- a/arch/arc/include/asm/barrier.h +++ b/arch/arc/include/asm/barrier.h @@ -34,6 +34,7 @@ #ifdef CONFIG_ISA_ARCOMPACT +#ifndef CONFIG_ARC_PLAT_EZNPS /* * ARCompact based cores (ARC700) only have SYNC instruction which is super * heavy weight as it flushes the pipeline as well. @@ -41,6 +42,13 @@ */ #define mb() asm volatile("sync\n" : : : "memory") +#else /* CONFIG_ARC_PLAT_EZNPS */ + +#include <plat/ctop.h> +#define mb() asm volatile (".word %0" : : "i"(CTOP_INST_SCHD_RW) : "memory") +#define rmb() asm volatile (".word %0" : : "i"(CTOP_INST_SCHD_RD) : "memory") +#endif /* CONFIG_ARC_PLAT_EZNPS */ + #endif #include <asm-generic/barrier.h>