linux.git/arch/um/kernel/sysrq.c, branch v4.12 Linux kernel source tree um: Fix _print_addr() 2017-05-03T20:30:20+00:00 Richard Weinberger richard@nod.at 2016-12-25T22:11:05+00:00 ecb6c7435f25d6a11fa9d14f407d00286f9642b9 Recent changes to printk() broke UML's stack trace output. Kill the root of the problem by using a single printk() statement. Signed-off-by: Richard Weinberger <richard@nod.at> 
Recent changes to printk() broke UML's stack trace
output. Kill the root of the problem by using a single
printk() statement.

Signed-off-by: Richard Weinberger <richard@nod.at>
sched/headers: Prepare to move kstack_end() from <linux/sched.h> to <linux/sched/task_stack.h> 2017-03-02T07:42:39+00:00 Ingo Molnar mingo@kernel.org 2017-02-05T13:31:22+00:00 3f8c24529b42fc5044c2a44bdb8ba69aec2bee37 But first update the usage sites with the new header dependency. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> 
But first update the usage sites with the new header dependency.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02T07:42:34+00:00 Ingo Molnar mingo@kernel.org 2017-02-08T17:51:35+00:00 b17b01533b719e9949e437abf66436a875739b40 We are going to split <linux/sched/debug.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/debug.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> 
We are going to split <linux/sched/debug.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/debug.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
um: Remove dead code from stacktrace 2015-04-13T19:00:40+00:00 Richard Weinberger richard@nod.at 2015-03-18T13:11:04+00:00 fcf81931a0f9cff10101386685f2e9f30fe5f3d2 Remove left over code from commit 970e51feaddb (um: Add support for CONFIG_STACKTRACE) Signed-off-by: Richard Weinberger <richard@nod.at> 
Remove left over code from commit 970e51feaddb
(um: Add support for CONFIG_STACKTRACE)

Signed-off-by: Richard Weinberger <richard@nod.at>
um: Add support for CONFIG_STACKTRACE 2014-10-13T19:46:25+00:00 Daniel Walter dwalter@google.com 2014-08-20T09:56:00+00:00 970e51feaddbc33ed0e7d187af7f69d1a12c7b6a Add stacktrace support for User Mode Linux Signed-off-by: Daniel Walter <dwalter@google.com> Signed-off-by: Richard Weinberger <richard@nod.at> 
Add stacktrace support for User Mode Linux

Signed-off-by: Daniel Walter <dwalter@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
um: Rename print_stack_trace to do_stack_trace 2013-12-01T12:06:51+00:00 Richard Weinberger richard@nod.at 2013-11-21T08:27:37+00:00 8ed12fcc194d93c6a17714120a7027ee4d76a881 We cannot use print_stack_trace because the name conflicts with linux/stacktrace.h. Reported-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Richard Weinberger <richard@nod.at> 
We cannot use print_stack_trace because the name conflicts
with linux/stacktrace.h.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
um: Make kstack_depth_to_print conform to arch/x86 2013-11-17T10:27:40+00:00 Richard Weinberger richard@nod.at 2013-09-23T15:38:04+00:00 e96d1c3695d6f5fde010d27e2a245a6656de688c Signed-off-by: Richard Weinberger <richard@nod.at> 
Signed-off-by: Richard Weinberger <richard@nod.at>
um: Make stack trace reliable against kernel mode faults 2013-11-17T10:27:30+00:00 Richard Weinberger richard@nod.at 2013-09-23T15:38:02+00:00 f72c22e45e8f8fe78c7f793d983bee5bed63497e As UML uses an alternative signal stack we cannot use the current stack pointer for stack dumping if UML itself dies by SIGSEGV. To bypass this issue we save regs taken from mcontext in our segv handler into thread_struct and use these regs to obtain the stack pointer in show_stack(). Signed-off-by: Richard Weinberger <richard@nod.at> 
As UML uses an alternative signal stack we cannot use
the current stack pointer for stack dumping if UML itself
dies by SIGSEGV. To bypass this issue we save regs taken
from mcontext in our segv handler into thread_struct and
use these regs to obtain the stack pointer in show_stack().

Signed-off-by: Richard Weinberger <richard@nod.at>
um: Rewrite show_stack() 2013-11-17T10:27:25+00:00 Richard Weinberger richard@nod.at 2013-09-23T15:38:01+00:00 9d1ee8ce92e16c6aa0a3fd91ee8ed9e403b3a2eb Currently on UML stack traces are not very reliable and both x86 and x86_64 have their on implementations. This patch unifies both and adds support to outline unreliable functions calls. Signed-off-by: Richard Weinberger <richard@nod.at> 
Currently on UML stack traces are not very reliable and both
x86 and x86_64 have their on implementations.
This patch unifies both and adds support to outline unreliable
functions calls.

Signed-off-by: Richard Weinberger <richard@nod.at>
sched: Rename sched.c as sched/core.c in comments and Documentation 2013-06-19T10:58:42+00:00 Viresh Kumar viresh.kumar@linaro.org 2013-06-04T07:40:24+00:00 0a0fca9d832b704f116a25badd1ca8c16771dcac Most of the stuff from kernel/sched.c was moved to kernel/sched/core.c long time back and the comments/Documentation never got updated. I figured it out when I was going through sched-domains.txt and so thought of fixing it globally. I haven't crossed check if the stuff that is referenced in sched/core.c by all these files is still present and hasn't changed as that wasn't the motive behind this patch. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/cdff76a265326ab8d71922a1db5be599f20aad45.1370329560.git.viresh.kumar@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org> 
Most of the stuff from kernel/sched.c was moved to kernel/sched/core.c long time
back and the comments/Documentation never got updated.

I figured it out when I was going through sched-domains.txt and so thought of
fixing it globally.

I haven't crossed check if the stuff that is referenced in sched/core.c by all
these files is still present and hasn't changed as that wasn't the motive behind
this patch.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/cdff76a265326ab8d71922a1db5be599f20aad45.1370329560.git.viresh.kumar@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>