Re: [PATCH] perf: kmaps: enforce usage of kmaps to protect futher bugs.

From: Ingo Molnar
Date: Fri Apr 03 2015 - 04:50:08 EST

* Wang Nan <wangnan0@xxxxxxxxxx> wrote:

> This patch add checkings on every place where uses map__kmap and get
> kmaps from struct kmap. Error messages are added at map__kmap to warn
> invalud accessing of kmap (for the case of !map->dso->kernel, kmap(map)
> is not exists at all). Also, introduces map__kmaps() to warn
> uninitialized kmaps.
> Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>

Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx>


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