Re: [PATCH 0/1] (Was: cleanup DO_ERROR*() to prepare for uprobes fixes)

From: David Long
Date: Mon May 12 2014 - 15:39:18 EST


On 05/12/14 13:08, Oleg Nesterov wrote:
On 05/08, Oleg Nesterov wrote:

But let me send the initial changes first for review. If they pass the review
and if nobody objects, I'd like to route them along with the pending uprobes
fixes.

OK, nobody cares ;)

So I am going to ask Ingo to pull these changes plus the following minor fix.

To remind, I think that traps.c needs more cleanups: do_general_protection()
and math_error() should be converted into DO_ERROR(), DIE_GPF should die, and
the users of show_unhandled_signals() should be unified/cleanuped.

Ananth, David, this is x86 specific, but at first glance powerpc/arm might
want to use uprobe_get_trap_addr() too.

Oleg.


Thanks for the heads-up. I currently have a preliminary patch to use the PC LSB to identify Thumb-mode instructions on ARM but I don't think this adds any new hinderances to that in the intended use case.

-dl

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