Re: [PATCH] x86/dumpstack: make stack name tags more comprehensible

From: Peter Zijlstra
Date: Fri Nov 18 2016 - 13:54:27 EST


On Fri, Nov 18, 2016 at 11:46:23AM -0600, Josh Poimboeuf wrote:
> NMI stack dumps are bracked by the following tags:
>
> <NMI>
> ...
> <EOE>
>
> The ending tag is kind of confusing if you don't already know what "EOE"
> means (end of exception). The same ending tag is also used to mark the
> end of all other exceptions' stacks. For example:
>
> <#DF>
> ...
> <EOE>
>
> And similarly, "EOI" is used as the ending tag for interrupts:
>
> <IRQ>
> ...
> <EOI>
>
> Change the tags to be more comprehensible by making them symmetrical and
> more XML-esque:
>
> <NMI>
> ...
> </NMI>
>
> <#DF>
> ...
> </#DF>
>
> <IRQ>
> ...
> </IRQ>
>
> Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

> arch/x86/include/asm/stacktrace.h | 3 +--
> arch/x86/kernel/dumpstack.c | 12 ++++++------
> arch/x86/kernel/dumpstack_32.c | 19 ++++++++-----------
> arch/x86/kernel/dumpstack_64.c | 22 ++++++++--------------
> 4 files changed, 23 insertions(+), 33 deletions(-)

And saves lines too, awesome!

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>