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[99.152.116.91]) by smtp.gmail.com with ESMTPSA id e11sm1032340pjj.26.2019.12.16.20.07.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Dec 2019 20:07:09 -0800 (PST) From: Olof Johansson To: Paul Walmsley , Palmer Dabbelt , Albert Ou Subject: [PATCH] riscv: export flush_icache_all to modules Date: Mon, 16 Dec 2019 20:07:04 -0800 Message-Id: <20191217040704.91995-1-olof@lixom.net> X-Mailer: git-send-email 2.11.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191216_200711_746721_56B8962C X-CRM114-Status: UNSURE ( 8.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Olof Johansson , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org This is needed by LKDTM (crash dump test module), it calls flush_icache_range(), which on RISC-V turns into flush_icache_all(). On other architectures, the actual implementation is exported, so follow that precedence and export it here too. Fixes build of CONFIG_LKDTM that fails with: ERROR: "flush_icache_all" [drivers/misc/lkdtm/lkdtm.ko] undefined! Signed-off-by: Olof Johansson --- arch/riscv/mm/cacheflush.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c index 8f19006866405..8930ab7278e6d 100644 --- a/arch/riscv/mm/cacheflush.c +++ b/arch/riscv/mm/cacheflush.c @@ -22,6 +22,7 @@ void flush_icache_all(void) else on_each_cpu(ipi_remote_fence_i, NULL, 1); } +EXPORT_SYMBOL(flush_icache_all); /* * Performs an icache flush for the given MM context. RISC-V has no direct -- 2.11.0