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Tue, 04 Feb 2020 23:30:44 -0800 (PST) Received: by earth-mac.local (Postfix, from userid 501) id 45C0B202572F9A; Wed, 5 Feb 2020 16:30:43 +0900 (JST) From: Hajime Tazaki To: linux-um@lists.infradead.org Subject: [RFC v3 01/26] asm-generic: atomic64: allow using generic atomic64 on 64bit platforms Date: Wed, 5 Feb 2020 16:30:10 +0900 Message-Id: <39e1313ff3cf3eab6ceb5ae322fcd3e5d4432167.1580882335.git.thehajime@gmail.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200204_233046_572033_E429BF52 X-CRM114-Status: UNSURE ( 8.97 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:444 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [thehajime[at]gmail.com] -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, Octavian Purdila , Boqun Feng , Akira Moroo , Peter Zijlstra , linux-kernel-library@freelists.org, Will Deacon Sender: "linux-um" Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Octavian Purdila With CONFIG_64BIT enabled, atomic64 via CONFIG_GENERIC_ATOMIC64 options are not compiled due to type conflict of atomic64_t defined in linux/type.h. This commit fixes the issue and allow using generic atomic64 ops. Currently, LKL is only the user which defines GENERIC_ATOMIC64 (lib/atomic64.c) under CONFIG_64BIT environment. Thus, there is no issues before this commit. Signed-off-by: Octavian Purdila Cc: Will Deacon Cc: Peter Zijlstra Cc: Boqun Feng --- include/asm-generic/atomic64.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h index 370f01d4450f..9b15847baae5 100644 --- a/include/asm-generic/atomic64.h +++ b/include/asm-generic/atomic64.h @@ -9,9 +9,11 @@ #define _ASM_GENERIC_ATOMIC64_H #include +#ifndef CONFIG_64BIT typedef struct { s64 counter; } atomic64_t; +#endif #define ATOMIC64_INIT(i) { (i) }