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Sat, 04 Nov 2023 02:16:48 -0700 (PDT) From: "wuqiang.matt" To: vgupta@kernel.org, bcain@quicinc.com, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, geert@linux-m68k.org, andi.shyti@linux.intel.com, mingo@kernel.org, palmer@rivosinc.com, andrzej.hajda@intel.com, arnd@arndb.de, peterz@infradead.orgm, mhiramat@kernel.org Cc: linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mattwu@163.com, linux@roeck-us.ne, "wuqiang.matt" Subject: [PATCH v2 3/4] locking/atomic: openrisc: arch_cmpxchg[64]_local undefined Date: Sat, 4 Nov 2023 17:16:14 +0800 Message-Id: <20231104091615.4884-4-wuqiang.matt@bytedance.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231104091615.4884-1-wuqiang.matt@bytedance.com> References: <20231104091615.4884-1-wuqiang.matt@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Sat, 04 Nov 2023 02:17:15 -0700 (PDT) For architectures that support native cmpxchg, we'd like to implement arch_cmpxchg[64]_local with the native variants of supported data size. If not, the generci_cmpxchg[64]_local will be used. Signed-off-by: wuqiang.matt --- arch/openrisc/include/asm/cmpxchg.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/openrisc/include/asm/cmpxchg.h b/arch/openrisc/include/asm/cmpxchg.h index 8ee151c072e4..f1ffe8b6f5ef 100644 --- a/arch/openrisc/include/asm/cmpxchg.h +++ b/arch/openrisc/include/asm/cmpxchg.h @@ -139,6 +139,12 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, (unsigned long)(n), \ sizeof(*(ptr))); \ }) +#define arch_cmpxchg_local arch_cmpxchg + +/* always make arch_cmpxchg64_local available for openrisc */ +#include + +#define arch_cmpxchg64_local(ptr, o, n) __generic_cmpxchg64_local((ptr), (o), (n)) /* * This function doesn't exist, so you'll get a linker error if -- 2.40.1