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bh=TN4g8HWAbYM+mHgchr9hE28hhDHAqrO4CBf5M7hSqn4=; b=W0r6PxKjW7dKksvyRXT8cuX66XOYltgBjKn2hv+AQQEkK+hWuAdv8J7QhUlXjrYZR+ /0SECmI/MkGmF+iR14ixK9rSztl0t5UCgZ03RAWR2yjoP4Owot/7PC+0eeGNRTuc1Kdc uQzrtVyoucv22ulv7UwzNCtixXyhywYCWYGyFUDsJ4jIJb+IGcPNjre1KKUosbFDpqMo x7/0MSlGr5J76gH3RtQcZZ8mJaFiBQbyszaykwg5QqKzNv5JDpbU7/TJn9pBfG09vbU8 9ifU6B6DM2JW7u/40IWiOf86Tn1Wu0gveI2xOzeXDLBugjjZ9nN8FWm5HHjKtZozVQAt UhMQ== X-Gm-Message-State: AKGB3mJFrdJ+JVwdrFWB7zm3IofnULdQlUt+Ij7AMOVeXz8N2XnS2aBm 2dNbvpLi9b3z+KVNpRewY6M= X-Google-Smtp-Source: ACJfBothzCd2F0ApMZUNaBATDQTYSmzeGW9icOAs7v32kt/bp5k7iU3S1m0fyuFVhCFsm89PWJA/fg== X-Received: by 10.99.3.195 with SMTP id 186mr252046pgd.103.1512996739316; Mon, 11 Dec 2017 04:52:19 -0800 (PST) Received: from localhost.localdomain ([110.70.53.61]) by smtp.gmail.com with ESMTPSA id j13sm23374380pff.131.2017.12.11.04.52.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Dec 2017 04:52:18 -0800 (PST) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky To: Andrew Morton , Russell King , Catalin Marinas , Mark Salter , Tony Luck , David Howells , Yoshinori Sato , Guan Xuetao , Borislav Petkov , Greg Kroah-Hartman , Thomas Gleixner , Peter Zijlstra , Vineet Gupta , Fengguang Wu Subject: [PATCH 08/13] x86: do not use print_symbol() Date: Mon, 11 Dec 2017 21:50:20 +0900 Message-Id: <20171211125025.2270-9-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> References: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171211_125240_894599_E94146E3 X-CRM114-Status: GOOD ( 11.21 ) X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.4.1 on casper.infradead.org summary: Content analysis details: (-2.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [2607:f8b0:400e:c05:0:0:0:242 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (sergey.senozhatsky.work[at]gmail.com) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -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 X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Petr Mladek , linux-am33-list@redhat.com, linux-ia64@vger.kernel.org, linux-c6x-dev@linux-c6x.org, linux-sh@vger.kernel.org, x86@kernel.org, Sergey Senozhatsky , LKML , Steven Rostedt , Sergey Senozhatsky , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org print_symbol() uses extra stack space to sprintf() symbol information and then to feed that buffer to printk() char buffer[KSYM_SYMBOL_LEN]; sprint_symbol(buffer, address); printk(fmt, buffer); Replace print_symbol() with a direct printk("%pS") call. Signed-off-by: Sergey Senozhatsky Cc: Tony Luck Cc: Borislav Petkov Cc: Thomas Gleixner Acked-by: Borislav Petkov --- arch/x86/kernel/cpu/mcheck/mce.c | 3 +-- arch/x86/mm/mmio-mod.c | 5 ++--- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index b1d616d08eee..8ca8f6eb32db 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -235,7 +234,7 @@ static void __print_mce(struct mce *m) m->cs, m->ip); if (m->cs == __KERNEL_CS) - print_symbol("{%s}", m->ip); + pr_cont("{%pS}", (void *)m->ip); pr_cont("\n"); } diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index 4d434ddb75db..2c1ecf4763c4 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -29,7 +29,6 @@ #include #include #include -#include #include #include #include /* for ISA_START_ADDRESS */ @@ -123,8 +122,8 @@ static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr) pr_emerg("unexpected fault for address: 0x%08lx, last fault for address: 0x%08lx\n", addr, my_reason->addr); print_pte(addr); - print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip); - print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip); + pr_emerg("faulting IP is at %pS\n", (void *)regs->ip); + pr_emerg("last faulting IP was at %pS\n", (void *)my_reason->ip); #ifdef __i386__ pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", regs->ax, regs->bx, regs->cx, regs->dx);