x86: use kernel_stack_pointer() in process_32.c

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The way to obtain a kernel-mode stack pointer from a struct pt_regs in
32-bit mode is "subtle": the stack doesn't actually contain the stack
pointer, but rather the location where it would have been marks the
actual previous stack frame.  For clarity, use kernel_stack_pointer()
instead of coding this weirdness explicitly.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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H. Peter Anvin 2009-10-12 14:09:07 -07:00

parent d93a8f829f

commit def3c5d0a3

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/process_32.c

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