Christophe Leroy a7916a1de5 powerpc: regain entire stack space ... thread_info is not anymore in the stack, so the entire stack can now be used. There is also no risk anymore of corrupting task_cpu(p) with a stack overflow so the patch removes the test. When doing this, an explicit test for NULL stack pointer is needed in validate_sp() as it is not anymore implicitely covered by the sizeof(thread_info) gap. In the meantime, with the previous patch all pointers to the stacks are not anymore pointers to thread_info so this patch changes them to void* Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2019-02-23 22:31:40 +11:00
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asm	powerpc: regain entire stack space	2019-02-23 22:31:40 +11:00
uapi/asm	powerpc/perf: Update perf_regs structure to include MMCRA	2019-01-08 19:22:47 +11:00