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Sun, 28 Oct 2018 06:10:28 -0700 (PDT) From: Changbin Du To: yamada.masahiro@socionext.com, michal.lkml@markovi.net, tglx@linutronix.de, mingo@redhat.com, linux@armlinux.org.uk, akpm@linux-foundation.org, gregkh@linuxfoundation.org Subject: [PATCH v3 1/4] x86/mm: declare check_la57_support() as inline Date: Sun, 28 Oct 2018 13:09:42 +0000 Message-Id: <20181028130945.23581-2-changbin.du@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181028130945.23581-1-changbin.du@gmail.com> References: <20181028130945.23581-1-changbin.du@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181028_061039_432717_3B59DC3B X-CRM114-Status: GOOD ( 12.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kbuild@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, linux-sparse@vger.kernel.org, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, Changbin Du MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The level4_kernel_pgt is only defined when X86_5LEVEL is enabled. So declare check_la57_support() as inline to make sure the code referring to level4_kernel_pgt is optimized out. This is a preparation for CONFIG_CC_OPTIMIZE_FOR_DEBUGGING. Signed-off-by: Changbin Du Cc: Steven Rostedt (VMware) Cc: Masahiro Yamada Reviewed-by: Steven Rostedt (VMware) --- arch/x86/kernel/head64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 5dc377dc9d7b..5ae682f2aa83 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -98,7 +98,7 @@ static bool __head check_la57_support(unsigned long physaddr) return true; } #else -static bool __head check_la57_support(unsigned long physaddr) +static inline bool __head check_la57_support(unsigned long physaddr) { return false; }