From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov <dima@arista.com>, Andrew Morton <akpm@linux-foundation.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Ingo Molnar <mingo@kernel.org>, Jiri Slaby <jslaby@suse.com>, Petr Mladek <pmladek@suse.com>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Steven Rostedt <rostedt@goodmis.org>, Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>, Russell King <linux@armlinux.org.uk>, Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com Subject: [PATCH 04/50] arm/asm: Add loglvl to c_backtrace() Date: Wed, 6 Nov 2019 03:04:55 +0000 [thread overview] Message-ID: <20191106030542.868541-5-dima@arista.com> (raw) In-Reply-To: <20191106030542.868541-1-dima@arista.com> Currently, the log-level of show_stack() depends on a platform realization. It creates situations where the headers are printed with lower log level or higher than the stacktrace (depending on a platform or user). Furthermore, it forces the logic decision from user to an architecture side. In result, some users as sysrq/kdb/etc are doing tricks with temporary rising console_loglevel while printing their messages. And in result it not only may print unwanted messages from other CPUs, but also omit printing at all in the unlucky case where the printk() was deferred. Introducing log-level parameter and KERN_UNSUPPRESSED [1] seems an easier approach than introducing more printk buffers. Also, it will consolidate printings with headers. Add log level argument to c_backtrace() as a preparation for introducing show_stack_loglvl(). Cc: Russell King <linux@armlinux.org.uk> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: clang-built-linux@googlegroups.com [1]: https://lore.kernel.org/lkml/20190528002412.1625-1-dima@arista.com/T/#u Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/arm/include/asm/bug.h | 3 ++- arch/arm/include/asm/traps.h | 3 ++- arch/arm/kernel/traps.c | 9 +++++---- arch/arm/kernel/unwind.c | 2 +- arch/arm/lib/backtrace-clang.S | 9 +++++++-- arch/arm/lib/backtrace.S | 14 ++++++++++---- 6 files changed, 27 insertions(+), 13 deletions(-) diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index deef4d0cb3b5..673c7dd75ab9 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -82,7 +82,8 @@ void hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *), int sig, int code, const char *name); -extern asmlinkage void c_backtrace(unsigned long fp, int pmode); +extern asmlinkage void c_backtrace(unsigned long fp, int pmode, + const char *loglvl); struct mm_struct; void show_pte(const char *lvl, struct mm_struct *mm, unsigned long addr); diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h index 172b08ff3760..987fefb0a4db 100644 --- a/arch/arm/include/asm/traps.h +++ b/arch/arm/include/asm/traps.h @@ -29,7 +29,8 @@ static inline int __in_irqentry_text(unsigned long ptr) } extern void __init early_trap_init(void *); -extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); +extern void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl); extern void ptrace_break(struct pt_regs *regs); extern void *vectors_page; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index c053abd1fb53..7c3f32b26585 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -62,7 +62,8 @@ __setup("user_debug=", user_debug_setup); static void dump_mem(const char *, const char *, unsigned long, unsigned long); -void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) +void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl) { #ifdef CONFIG_KALLSYMS printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); @@ -74,7 +75,7 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); } -void dump_backtrace_stm(u32 *stack, u32 instruction) +void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl) { char str[80], *p; unsigned int x; @@ -236,7 +237,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) pr_cont("\n"); if (ok) - c_backtrace(fp, mode); + c_backtrace(fp, mode, NULL); } #endif @@ -662,7 +663,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) dump_instr("", regs); if (user_mode(regs)) { __show_regs(regs); - c_backtrace(frame_pointer(regs), processor_mode(regs)); + c_backtrace(frame_pointer(regs), processor_mode(regs), NULL); } } #endif diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 4574e6aea0a5..0a65005e10f0 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -493,7 +493,7 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk) urc = unwind_frame(&frame); if (urc < 0) break; - dump_backtrace_entry(where, frame.pc, frame.sp - 4); + dump_backtrace_entry(where, frame.pc, frame.sp - 4, NULL); } } diff --git a/arch/arm/lib/backtrace-clang.S b/arch/arm/lib/backtrace-clang.S index 2ff375144b55..6174c45f53a5 100644 --- a/arch/arm/lib/backtrace-clang.S +++ b/arch/arm/lib/backtrace-clang.S @@ -17,6 +17,7 @@ #define sv_pc r6 #define mask r7 #define sv_lr r8 +#define loglvl r9 ENTRY(c_backtrace) @@ -99,6 +100,7 @@ ENDPROC(c_backtrace) @ to ensure 8 byte alignment movs frame, r0 @ if frame pointer is zero beq no_frame @ we have no stack frames + mov loglvl, r2 tst r1, #0x10 @ 26 or 32-bit mode? moveq mask, #0xfc000003 movne mask, #0 @ mask for 32-bit @@ -167,6 +169,7 @@ finished_setup: mov r1, sv_lr mov r2, frame bic r1, r1, mask @ mask PC/LR for the mode + mov r3, loglvl bl dump_backtrace_entry /* @@ -183,6 +186,7 @@ finished_setup: ldr r0, [frame] @ locals are stored in @ the preceding frame subeq r0, r0, #4 + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers /* @@ -196,7 +200,8 @@ finished_setup: bhi for_each_frame 1006: adr r0, .Lbad - mov r1, frame + mov r1, loglvl + mov r2, frame bl printk no_frame: ldmfd sp!, {r4 - r9, fp, pc} ENDPROC(c_backtrace) @@ -209,7 +214,7 @@ ENDPROC(c_backtrace) .long 1005b, 1006b .popsection -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" +.Lbad: .asciz "%sBacktrace aborted due to bad frame pointer <%p>\n" .align .Lopcode: .word 0xe92d4800 >> 11 @ stmfd sp!, {... fp, lr} .word 0x0b000000 @ bl if these bits are set diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S index 582925238d65..872f658638d9 100644 --- a/arch/arm/lib/backtrace.S +++ b/arch/arm/lib/backtrace.S @@ -18,6 +18,7 @@ #define sv_pc r6 #define mask r7 #define offset r8 +#define loglvl r9 ENTRY(c_backtrace) @@ -25,9 +26,10 @@ ENTRY(c_backtrace) ret lr ENDPROC(c_backtrace) #else - stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location... + stmfd sp!, {r4 - r9, lr} @ Save an extra register so we have a location... movs frame, r0 @ if frame pointer is zero beq no_frame @ we have no stack frames + mov loglvl, r2 tst r1, #0x10 @ 26 or 32-bit mode? ARM( moveq mask, #0xfc000003 ) @@ -73,6 +75,7 @@ for_each_frame: tst frame, mask @ Check for address exceptions ldr r1, [frame, #-4] @ get saved lr mov r2, frame bic r1, r1, mask @ mask PC/LR for the mode + mov r3, loglvl bl dump_backtrace_entry ldr r1, [sv_pc, #-4] @ if stmfd sp!, {args} exists, @@ -80,12 +83,14 @@ for_each_frame: tst frame, mask @ Check for address exceptions teq r3, r1, lsr #11 ldreq r0, [frame, #-8] @ get sp subeq r0, r0, #4 @ point at the last arg + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers 1004: ldr r1, [sv_pc, #0] @ if stmfd sp!, {..., fp, ip, lr, pc} ldr r3, .Ldsi @ instruction exists, teq r3, r1, lsr #11 subeq r0, frame, #16 + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers teq sv_fp, #0 @ zero saved fp means @@ -96,9 +101,10 @@ for_each_frame: tst frame, mask @ Check for address exceptions bhi for_each_frame 1006: adr r0, .Lbad - mov r1, frame + mov r1, loglvl + mov r2, frame bl printk -no_frame: ldmfd sp!, {r4 - r8, pc} +no_frame: ldmfd sp!, {r4 - r9, pc} ENDPROC(c_backtrace) .pushsection __ex_table,"a" @@ -109,7 +115,7 @@ ENDPROC(c_backtrace) .long 1004b, 1006b .popsection -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" +.Lbad: .asciz "%sBacktrace aborted due to bad frame pointer <%p>\n" .align .Ldsi: .word 0xe92dd800 >> 11 @ stmfd sp!, {... fp, ip, lr, pc} .word 0xe92d0000 >> 11 @ stmfd sp!, {} -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Petr Mladek <pmladek@suse.com>, Dmitry Safonov <dima@arista.com>, Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Dmitry Safonov <0x7f454c46@gmail.com>, Russell King <linux@armlinux.org.uk>, Steven Rostedt <rostedt@goodmis.org>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, clang-built-linux@googlegroups.com, Jiri Slaby <jslaby@suse.com>, Andrew Morton <akpm@linux-foundation.org>, Will Deacon <will@kernel.org>, Ingo Molnar <mingo@kernel.org>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 04/50] arm/asm: Add loglvl to c_backtrace() Date: Wed, 6 Nov 2019 03:04:55 +0000 [thread overview] Message-ID: <20191106030542.868541-5-dima@arista.com> (raw) In-Reply-To: <20191106030542.868541-1-dima@arista.com> Currently, the log-level of show_stack() depends on a platform realization. It creates situations where the headers are printed with lower log level or higher than the stacktrace (depending on a platform or user). Furthermore, it forces the logic decision from user to an architecture side. In result, some users as sysrq/kdb/etc are doing tricks with temporary rising console_loglevel while printing their messages. And in result it not only may print unwanted messages from other CPUs, but also omit printing at all in the unlucky case where the printk() was deferred. Introducing log-level parameter and KERN_UNSUPPRESSED [1] seems an easier approach than introducing more printk buffers. Also, it will consolidate printings with headers. Add log level argument to c_backtrace() as a preparation for introducing show_stack_loglvl(). Cc: Russell King <linux@armlinux.org.uk> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: clang-built-linux@googlegroups.com [1]: https://lore.kernel.org/lkml/20190528002412.1625-1-dima@arista.com/T/#u Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/arm/include/asm/bug.h | 3 ++- arch/arm/include/asm/traps.h | 3 ++- arch/arm/kernel/traps.c | 9 +++++---- arch/arm/kernel/unwind.c | 2 +- arch/arm/lib/backtrace-clang.S | 9 +++++++-- arch/arm/lib/backtrace.S | 14 ++++++++++---- 6 files changed, 27 insertions(+), 13 deletions(-) diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index deef4d0cb3b5..673c7dd75ab9 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -82,7 +82,8 @@ void hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *), int sig, int code, const char *name); -extern asmlinkage void c_backtrace(unsigned long fp, int pmode); +extern asmlinkage void c_backtrace(unsigned long fp, int pmode, + const char *loglvl); struct mm_struct; void show_pte(const char *lvl, struct mm_struct *mm, unsigned long addr); diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h index 172b08ff3760..987fefb0a4db 100644 --- a/arch/arm/include/asm/traps.h +++ b/arch/arm/include/asm/traps.h @@ -29,7 +29,8 @@ static inline int __in_irqentry_text(unsigned long ptr) } extern void __init early_trap_init(void *); -extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); +extern void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl); extern void ptrace_break(struct pt_regs *regs); extern void *vectors_page; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index c053abd1fb53..7c3f32b26585 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -62,7 +62,8 @@ __setup("user_debug=", user_debug_setup); static void dump_mem(const char *, const char *, unsigned long, unsigned long); -void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) +void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl) { #ifdef CONFIG_KALLSYMS printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); @@ -74,7 +75,7 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); } -void dump_backtrace_stm(u32 *stack, u32 instruction) +void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl) { char str[80], *p; unsigned int x; @@ -236,7 +237,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) pr_cont("\n"); if (ok) - c_backtrace(fp, mode); + c_backtrace(fp, mode, NULL); } #endif @@ -662,7 +663,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) dump_instr("", regs); if (user_mode(regs)) { __show_regs(regs); - c_backtrace(frame_pointer(regs), processor_mode(regs)); + c_backtrace(frame_pointer(regs), processor_mode(regs), NULL); } } #endif diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 4574e6aea0a5..0a65005e10f0 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -493,7 +493,7 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk) urc = unwind_frame(&frame); if (urc < 0) break; - dump_backtrace_entry(where, frame.pc, frame.sp - 4); + dump_backtrace_entry(where, frame.pc, frame.sp - 4, NULL); } } diff --git a/arch/arm/lib/backtrace-clang.S b/arch/arm/lib/backtrace-clang.S index 2ff375144b55..6174c45f53a5 100644 --- a/arch/arm/lib/backtrace-clang.S +++ b/arch/arm/lib/backtrace-clang.S @@ -17,6 +17,7 @@ #define sv_pc r6 #define mask r7 #define sv_lr r8 +#define loglvl r9 ENTRY(c_backtrace) @@ -99,6 +100,7 @@ ENDPROC(c_backtrace) @ to ensure 8 byte alignment movs frame, r0 @ if frame pointer is zero beq no_frame @ we have no stack frames + mov loglvl, r2 tst r1, #0x10 @ 26 or 32-bit mode? moveq mask, #0xfc000003 movne mask, #0 @ mask for 32-bit @@ -167,6 +169,7 @@ finished_setup: mov r1, sv_lr mov r2, frame bic r1, r1, mask @ mask PC/LR for the mode + mov r3, loglvl bl dump_backtrace_entry /* @@ -183,6 +186,7 @@ finished_setup: ldr r0, [frame] @ locals are stored in @ the preceding frame subeq r0, r0, #4 + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers /* @@ -196,7 +200,8 @@ finished_setup: bhi for_each_frame 1006: adr r0, .Lbad - mov r1, frame + mov r1, loglvl + mov r2, frame bl printk no_frame: ldmfd sp!, {r4 - r9, fp, pc} ENDPROC(c_backtrace) @@ -209,7 +214,7 @@ ENDPROC(c_backtrace) .long 1005b, 1006b .popsection -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" +.Lbad: .asciz "%sBacktrace aborted due to bad frame pointer <%p>\n" .align .Lopcode: .word 0xe92d4800 >> 11 @ stmfd sp!, {... fp, lr} .word 0x0b000000 @ bl if these bits are set diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S index 582925238d65..872f658638d9 100644 --- a/arch/arm/lib/backtrace.S +++ b/arch/arm/lib/backtrace.S @@ -18,6 +18,7 @@ #define sv_pc r6 #define mask r7 #define offset r8 +#define loglvl r9 ENTRY(c_backtrace) @@ -25,9 +26,10 @@ ENTRY(c_backtrace) ret lr ENDPROC(c_backtrace) #else - stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location... + stmfd sp!, {r4 - r9, lr} @ Save an extra register so we have a location... movs frame, r0 @ if frame pointer is zero beq no_frame @ we have no stack frames + mov loglvl, r2 tst r1, #0x10 @ 26 or 32-bit mode? ARM( moveq mask, #0xfc000003 ) @@ -73,6 +75,7 @@ for_each_frame: tst frame, mask @ Check for address exceptions ldr r1, [frame, #-4] @ get saved lr mov r2, frame bic r1, r1, mask @ mask PC/LR for the mode + mov r3, loglvl bl dump_backtrace_entry ldr r1, [sv_pc, #-4] @ if stmfd sp!, {args} exists, @@ -80,12 +83,14 @@ for_each_frame: tst frame, mask @ Check for address exceptions teq r3, r1, lsr #11 ldreq r0, [frame, #-8] @ get sp subeq r0, r0, #4 @ point at the last arg + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers 1004: ldr r1, [sv_pc, #0] @ if stmfd sp!, {..., fp, ip, lr, pc} ldr r3, .Ldsi @ instruction exists, teq r3, r1, lsr #11 subeq r0, frame, #16 + mov r2, loglvl bleq dump_backtrace_stm @ dump saved registers teq sv_fp, #0 @ zero saved fp means @@ -96,9 +101,10 @@ for_each_frame: tst frame, mask @ Check for address exceptions bhi for_each_frame 1006: adr r0, .Lbad - mov r1, frame + mov r1, loglvl + mov r2, frame bl printk -no_frame: ldmfd sp!, {r4 - r8, pc} +no_frame: ldmfd sp!, {r4 - r9, pc} ENDPROC(c_backtrace) .pushsection __ex_table,"a" @@ -109,7 +115,7 @@ ENDPROC(c_backtrace) .long 1004b, 1006b .popsection -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" +.Lbad: .asciz "%sBacktrace aborted due to bad frame pointer <%p>\n" .align .Ldsi: .word 0xe92dd800 >> 11 @ stmfd sp!, {... fp, ip, lr, pc} .word 0xe92d0000 >> 11 @ stmfd sp!, {} -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-11-06 3:06 UTC|newest] Thread overview: 323+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-06 3:04 [PATCH 00/50] Add log level to show_stack() Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` [OpenRISC] " Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` [PATCH 01/50] kallsyms/printk: Add loglvl to print_ip_sym() Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 4:38 ` Sergey Senozhatsky 2019-11-06 4:38 ` Sergey Senozhatsky 2019-11-06 16:39 ` Dmitry Safonov 2019-11-06 16:39 ` Dmitry Safonov 2019-11-13 15:49 ` Steven Rostedt 2019-11-13 15:49 ` Steven Rostedt 2019-11-06 3:04 ` [PATCH 02/50] alpha: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:04 ` [PATCH 03/50] arc: " Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov [this message] 2019-11-06 3:04 ` [PATCH 04/50] arm/asm: Add loglvl to c_backtrace() Dmitry Safonov 2019-11-06 3:04 ` [PATCH 05/50] arm: Add loglvl to unwind_backtrace() Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 9:12 ` Russell King - ARM Linux admin 2019-11-06 9:12 ` Russell King - ARM Linux admin 2019-11-06 16:32 ` Dmitry Safonov 2019-11-06 16:32 ` Dmitry Safonov 2019-11-06 3:04 ` [PATCH 06/50] arm: Add loglvl to dump_backtrace() Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` [PATCH 07/50] arm: Wire up dump_backtrace_{entry,stm} Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:04 ` [PATCH 08/50] arm: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:04 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 09/50] arm64: Add loglvl to dump_backtrace() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 13:25 ` Will Deacon 2019-11-06 13:25 ` Will Deacon 2019-11-06 16:00 ` Dmitry Safonov 2019-11-06 16:00 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 10/50] arm64: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 11/50] c6x: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 12/50] csky: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 13/50] h8300: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 14/50] hexagon: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 15/50] ia64: Pass log level as arg into ia64_do_show_stack() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 16/50] ia64: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 17/50] m68k: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 18/50] microblaze: Add loglvl to microblaze_unwind_inner() Dmitry Safonov 2019-11-07 8:59 ` Michal Simek 2019-11-08 7:52 ` kbuild test robot 2019-11-08 7:52 ` kbuild test robot 2019-11-06 3:05 ` [PATCH 19/50] microblaze: Add loglvl to microblaze_unwind() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 20/50] microblaze: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 21/50] mips: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 22/50] nds32: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 23/50] nios2: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 24/50] openrisc: " Dmitry Safonov 2019-11-06 3:05 ` [OpenRISC] " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 25/50] parisc: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 26/50] powerpc: " Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 9:52 ` Michael Ellerman 2019-11-06 9:52 ` Michael Ellerman 2019-11-06 16:01 ` Dmitry Safonov 2019-11-06 16:01 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 27/50] riscv: " Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 28/50] s390: " Dmitry Safonov 2019-11-06 3:05 ` [PATCH 29/50] sh: Add loglvl to dump_mem() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 30/50] sh: Remove needless printk() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 31/50] sh: Add loglvl to printk_address() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 32/50] sh: Add loglvl to show_trace() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 33/50] sh: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 34/50] sparc: " Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:33 ` David Miller 2019-11-06 3:33 ` David Miller 2019-11-06 16:02 ` Dmitry Safonov 2019-11-06 16:02 ` Dmitry Safonov 2019-11-08 7:08 ` kbuild test robot 2019-11-08 7:08 ` kbuild test robot 2019-11-08 7:08 ` kbuild test robot 2019-11-06 3:05 ` [PATCH 35/50] um/sysrq: Remove needless variable sp Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 36/50] um: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` Dmitry Safonov 2019-11-06 3:05 ` [PATCH 37/50] unicore32: Remove unused pmode argument in c_backtrace() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 38/50] unicore32: Add loglvl to c_backtrace() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 39/50] unicore32: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 40/50] x86: Add missing const qualifiers for log_lvl Dmitry Safonov 2019-11-06 3:05 ` [PATCH 41/50] x86: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 42/50] xtensa: Add loglvl to show_trace() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 43/50] xtensa: Add show_stack_loglvl() Dmitry Safonov 2019-11-06 4:13 ` Max Filippov 2019-11-06 8:15 ` Petr Mladek 2019-11-06 16:06 ` Dmitry Safonov 2019-11-06 16:44 ` Max Filippov 2019-11-06 3:05 ` [PATCH 44/50] sysrq: Use show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 45/50] x86/amd_gart: Print stacktrace for a leak with KERN_ERR Dmitry Safonov 2019-11-06 3:05 ` [PATCH 46/50] power: Use show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 47/50] kdb: Don't play with console_loglevel Dmitry Safonov 2019-11-06 3:05 ` [PATCH 48/50] sched: Print stack trace with KERN_INFO Dmitry Safonov 2019-11-06 3:05 ` [PATCH 49/50] kernel: Use show_stack_loglvl() Dmitry Safonov 2019-11-06 3:05 ` [PATCH 50/50] kernel: Rename show_stack_loglvl() => show_stack() Dmitry Safonov 2019-11-08 10:08 ` kbuild test robot 2019-11-08 10:08 ` kbuild test robot 2019-11-06 8:35 ` [PATCH 00/50] Add log level to show_stack() Petr Mladek 2019-11-06 8:35 ` Petr Mladek 2019-11-06 8:35 ` Petr Mladek 2019-11-06 8:35 ` [OpenRISC] " Petr Mladek 2019-11-06 8:35 ` Petr Mladek 2019-11-06 8:35 ` Petr Mladek 2019-11-06 16:12 ` Dmitry Safonov 2019-11-06 16:12 ` Dmitry Safonov 2019-11-06 16:12 ` Dmitry Safonov 2019-11-06 16:12 ` [OpenRISC] " Dmitry Safonov 2019-11-06 16:12 ` Dmitry Safonov 2019-11-06 16:12 ` Dmitry Safonov 2019-11-08 10:37 ` Sergey Senozhatsky 2019-11-08 10:37 ` Sergey Senozhatsky 2019-11-08 10:37 ` Sergey Senozhatsky 2019-11-08 10:37 ` [OpenRISC] " Sergey Senozhatsky 2019-11-08 10:37 ` Sergey Senozhatsky 2019-11-08 10:37 ` Sergey Senozhatsky 2019-11-08 13:04 ` Petr Mladek 2019-11-08 13:04 ` Petr Mladek 2019-11-08 13:04 ` Petr Mladek 2019-11-08 13:04 ` [OpenRISC] " Petr Mladek 2019-11-08 13:04 ` Petr Mladek 2019-11-08 13:04 ` Petr Mladek 2019-11-11 1:23 ` Sergey Senozhatsky 2019-11-11 1:23 ` Sergey Senozhatsky 2019-11-11 1:23 ` Sergey Senozhatsky 2019-11-11 1:23 ` [OpenRISC] " Sergey Senozhatsky 2019-11-11 1:23 ` Sergey Senozhatsky 2019-11-11 1:23 ` Sergey Senozhatsky 2019-11-11 9:12 ` Petr Mladek 2019-11-11 9:12 ` Petr Mladek 2019-11-11 9:12 ` Petr Mladek 2019-11-11 9:12 ` [OpenRISC] " Petr Mladek 2019-11-11 9:12 ` Petr Mladek 2019-11-11 9:12 ` Petr Mladek 2019-11-12 4:44 ` Sergey Senozhatsky 2019-11-12 4:44 ` Sergey Senozhatsky 2019-11-12 4:44 ` Sergey Senozhatsky 2019-11-12 4:44 ` [OpenRISC] " Sergey Senozhatsky 2019-11-12 4:44 ` Sergey Senozhatsky 2019-11-12 4:44 ` Sergey Senozhatsky 2019-11-12 4:57 ` Sergey Senozhatsky 2019-11-12 4:57 ` Sergey Senozhatsky 2019-11-12 4:57 ` Sergey Senozhatsky 2019-11-12 4:57 ` [OpenRISC] " Sergey Senozhatsky 2019-11-12 4:57 ` Sergey Senozhatsky 2019-11-12 4:57 ` Sergey Senozhatsky 2019-11-12 8:35 ` Petr Mladek 2019-11-12 8:35 ` Petr Mladek 2019-11-12 8:35 ` Petr Mladek 2019-11-12 8:35 ` [OpenRISC] " Petr Mladek 2019-11-12 8:35 ` Petr Mladek 2019-11-12 8:35 ` Petr Mladek 2019-11-12 10:12 ` Sergey Senozhatsky 2019-11-12 10:12 ` Sergey Senozhatsky 2019-11-12 10:12 ` Sergey Senozhatsky 2019-11-12 10:12 ` [OpenRISC] " Sergey Senozhatsky 2019-11-12 10:12 ` Sergey Senozhatsky 2019-11-12 10:12 ` Sergey Senozhatsky 2019-11-13 1:23 ` Sergey Senozhatsky 2019-11-13 1:23 ` Sergey Senozhatsky 2019-11-13 1:23 ` Sergey Senozhatsky 2019-11-13 1:23 ` [OpenRISC] " Sergey Senozhatsky 2019-11-13 1:23 ` Sergey Senozhatsky 2019-11-13 1:23 ` Sergey Senozhatsky 2019-11-13 2:25 ` Dmitry Safonov 2019-11-13 2:25 ` Dmitry Safonov 2019-11-13 2:25 ` Dmitry Safonov 2019-11-13 2:25 ` [OpenRISC] " Dmitry Safonov 2019-11-13 2:25 ` Dmitry Safonov 2019-11-13 2:25 ` Dmitry Safonov 2019-11-13 6:33 ` Sergey Senozhatsky 2019-11-13 6:33 ` Sergey Senozhatsky 2019-11-13 6:33 ` Sergey Senozhatsky 2019-11-13 6:33 ` [OpenRISC] " Sergey Senozhatsky 2019-11-13 6:33 ` Sergey Senozhatsky 2019-11-13 6:33 ` Sergey Senozhatsky 2019-11-13 8:47 ` Petr Mladek 2019-11-13 8:47 ` Petr Mladek 2019-11-13 8:47 ` Petr Mladek 2019-11-13 8:47 ` [OpenRISC] " Petr Mladek 2019-11-13 8:47 ` Petr Mladek 2019-11-13 8:47 ` Petr Mladek 2019-11-13 16:24 ` Steven Rostedt 2019-11-13 16:24 ` Steven Rostedt 2019-11-13 16:24 ` Steven Rostedt 2019-11-13 16:24 ` [OpenRISC] " Steven Rostedt 2019-11-13 16:24 ` Steven Rostedt 2019-11-13 16:24 ` Steven Rostedt 2019-11-13 16:40 ` Dmitry Safonov 2019-11-13 16:40 ` Dmitry Safonov 2019-11-13 16:40 ` Dmitry Safonov 2019-11-13 16:40 ` [OpenRISC] " Dmitry Safonov 2019-11-13 16:40 ` Dmitry Safonov 2019-11-13 16:40 ` Dmitry Safonov 2019-11-15 0:50 ` Sergey Senozhatsky 2019-11-15 0:50 ` Sergey Senozhatsky 2019-11-15 0:50 ` Sergey Senozhatsky 2019-11-15 0:50 ` [OpenRISC] " Sergey Senozhatsky 2019-11-15 0:50 ` Sergey Senozhatsky 2019-11-15 0:50 ` Sergey Senozhatsky 2019-11-13 15:32 ` Steven Rostedt 2019-11-13 15:32 ` Steven Rostedt 2019-11-13 15:32 ` Steven Rostedt 2019-11-13 15:32 ` [OpenRISC] " Steven Rostedt 2019-11-13 15:32 ` Steven Rostedt 2019-11-13 15:32 ` Steven Rostedt 2019-11-11 19:47 ` Dmitry Safonov 2019-11-11 19:47 ` Dmitry Safonov 2019-11-11 19:47 ` Dmitry Safonov 2019-11-11 19:47 ` [OpenRISC] " Dmitry Safonov 2019-11-11 19:47 ` Dmitry Safonov 2019-11-11 19:47 ` Dmitry Safonov 2019-11-12 2:17 ` Sergey Senozhatsky 2019-11-12 2:17 ` Sergey Senozhatsky 2019-11-12 2:17 ` Sergey Senozhatsky 2019-11-12 2:17 ` [OpenRISC] " Sergey Senozhatsky 2019-11-12 2:17 ` Sergey Senozhatsky 2019-11-12 2:17 ` Sergey Senozhatsky 2019-11-12 2:40 ` Dmitry Safonov 2019-11-12 2:40 ` Dmitry Safonov 2019-11-12 2:40 ` Dmitry Safonov 2019-11-12 2:40 ` [OpenRISC] " Dmitry Safonov 2019-11-12 2:40 ` Dmitry Safonov 2019-11-12 2:40 ` Dmitry Safonov 2019-11-12 4:25 ` Sergey Senozhatsky 2019-11-12 4:25 ` Sergey Senozhatsky 2019-11-12 4:25 ` Sergey Senozhatsky 2019-11-12 4:25 ` [OpenRISC] " Sergey Senozhatsky 2019-11-12 4:25 ` Sergey Senozhatsky 2019-11-12 4:25 ` Sergey Senozhatsky 2019-11-13 2:41 ` Dmitry Safonov 2019-11-13 2:41 ` Dmitry Safonov 2019-11-13 2:41 ` Dmitry Safonov 2019-11-13 2:41 ` [OpenRISC] " Dmitry Safonov 2019-11-13 2:41 ` Dmitry Safonov 2019-11-13 2:41 ` Dmitry Safonov 2019-11-13 2:51 ` Sergey Senozhatsky 2019-11-13 2:51 ` Sergey Senozhatsky 2019-11-13 2:51 ` Sergey Senozhatsky 2019-11-13 2:51 ` [OpenRISC] " Sergey Senozhatsky 2019-11-13 2:51 ` Sergey Senozhatsky 2019-11-13 2:51 ` Sergey Senozhatsky 2019-11-13 15:39 ` Steven Rostedt 2019-11-13 15:39 ` Steven Rostedt 2019-11-13 15:39 ` Steven Rostedt 2019-11-13 15:39 ` [OpenRISC] " Steven Rostedt 2019-11-13 15:39 ` Steven Rostedt 2019-11-13 15:39 ` Steven Rostedt 2019-11-15 3:36 ` Sergey Senozhatsky 2019-11-15 3:36 ` Sergey Senozhatsky 2019-11-15 3:36 ` Sergey Senozhatsky 2019-11-15 3:36 ` [OpenRISC] " Sergey Senozhatsky 2019-11-15 3:36 ` Sergey Senozhatsky 2019-11-15 3:36 ` Sergey Senozhatsky 2019-11-06 9:20 ` Peter Zijlstra 2019-11-06 9:20 ` Peter Zijlstra 2019-11-06 9:20 ` Peter Zijlstra 2019-11-06 9:20 ` [OpenRISC] " Peter Zijlstra 2019-11-06 9:20 ` Peter Zijlstra 2019-11-06 9:20 ` Peter Zijlstra 2019-11-06 16:27 ` Dmitry Safonov 2019-11-06 16:27 ` Dmitry Safonov 2019-11-06 16:27 ` Dmitry Safonov 2019-11-06 16:27 ` [OpenRISC] " Dmitry Safonov 2019-11-06 16:27 ` Dmitry Safonov 2019-11-06 16:27 ` Dmitry Safonov 2019-11-06 20:34 ` Peter Zijlstra 2019-11-06 20:34 ` Peter Zijlstra 2019-11-06 20:34 ` Peter Zijlstra 2019-11-06 20:34 ` [OpenRISC] " Peter Zijlstra 2019-11-06 20:34 ` Peter Zijlstra 2019-11-06 20:34 ` Peter Zijlstra 2019-11-06 23:25 ` Russell King - ARM Linux admin 2019-11-06 23:25 ` Russell King - ARM Linux admin 2019-11-06 23:25 ` Russell King - ARM Linux admin 2019-11-06 23:25 ` [OpenRISC] " Russell King - ARM Linux admin 2019-11-06 23:25 ` Russell King - ARM Linux admin 2019-11-06 23:25 ` Russell King - ARM Linux admin 2019-11-07 7:27 ` Geert Uytterhoeven 2019-11-13 15:44 ` Steven Rostedt 2019-11-13 15:44 ` Steven Rostedt 2019-11-13 15:44 ` Steven Rostedt 2019-11-13 15:44 ` [OpenRISC] " Steven Rostedt 2019-11-13 15:44 ` Steven Rostedt 2019-11-13 15:44 ` Steven Rostedt 2019-11-08 16:28 ` Dmitry Safonov 2019-11-08 16:28 ` Dmitry Safonov 2019-11-08 16:28 ` Dmitry Safonov 2019-11-08 16:28 ` [OpenRISC] " Dmitry Safonov 2019-11-08 16:28 ` Dmitry Safonov 2019-11-08 16:28 ` Dmitry Safonov 2019-11-08 17:30 ` Russell King - ARM Linux admin 2019-11-08 17:30 ` Russell King - ARM Linux admin 2019-11-08 17:30 ` Russell King - ARM Linux admin 2019-11-08 17:30 ` [OpenRISC] " Russell King - ARM Linux admin 2019-11-08 17:30 ` Russell King - ARM Linux admin 2019-11-08 17:30 ` Russell King - ARM Linux admin 2019-11-08 21:08 ` Dmitry Safonov 2019-11-08 21:08 ` Dmitry Safonov 2019-11-08 21:08 ` Dmitry Safonov 2019-11-08 21:08 ` [OpenRISC] " Dmitry Safonov 2019-11-08 21:08 ` Dmitry Safonov 2019-11-08 21:08 ` Dmitry Safonov 2019-11-13 15:41 ` Steven Rostedt 2019-11-13 15:41 ` Steven Rostedt 2019-11-13 15:41 ` Steven Rostedt 2019-11-13 15:41 ` [OpenRISC] " Steven Rostedt 2019-11-13 15:41 ` Steven Rostedt 2019-11-13 15:41 ` Steven Rostedt
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