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MIPS: Add SysRq operation to dump TLBs on all CPUs

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Add a MIPS specific SysRq operation to dump the TLB entries on all CPUs,
using the 'x' trigger key.

Signed-off-by: James Hogan <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/10072/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
James Hogan 2015-05-19 09:50:29 +01:00 • committed by Ralf Baechle
commit d1e9a4f547
3 changed files with 79 additions and 0 deletions
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1
drivers/tty/sysrq.c
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@ -463,6 +463,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
/* v: May be registered for frame buffer console restore */
NULL, /* v */
&sysrq_showstate_blocked_op, /* w */
/* x: May be registered on mips for TLB dump */
/* x: May be registered on ppc/powerpc for xmon */
/* x: May be registered on sparc64 for global PMU dump */
NULL, /* x */