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MN10300: Save frame pointer in thread_info struct rather than global var

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Save the current exception frame pointer in the thread_info struct rather than
in a global variable as the latter makes SMP tricky, especially when preemption
is also enabled.

This also replaces __frame with current_frame() and rearranges header file
inclusions to make it all compile.

Signed-off-by: David Howells <[email protected]>
Acked-by: Akira Takeuchi <[email protected]>
This commit is contained in:
David Howells 2010-10-27 17:29:01 +01:00
commit 7c7fcf762e
15 changed files with 76 additions and 146 deletions
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2
mm/maccess.c
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@ -1,9 +1,9 @@
/*
* Access kernel memory without faulting.
*/
#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
/**
* probe_kernel_read(): safely attempt to read from a location