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SubjectRe: [PATCH] Kbuild: Disable var tracking with CONFIG_DEBUG_INFO_REDUCED
On Thu, Feb 07, 2013 at 01:58:40PM -0800, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> Newer gcc enables the var-tracking pass with -g to keep track which
> registers contain which variables. This is one of the slower passes in gcc.
>
> With reduced debug info (aimed at objdump -S, but not using a full debugger)
> we don't need this fine grained tracking. But it was still enabled
> because -g was enabled. Disable it explicitely for DEBUG_INFO_REDUCED.

Applied to kbuild.git#kbuild, thanks.

Michal


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