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author	Christophe Leroy <christophe.leroy@c-s.fr>
	Sat, 21 Dec 2019 08:32:28 +0000 (08:32 +0000)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Sun, 26 Jan 2020 11:15:09 +0000 (22:15 +1100)
commit	63289e7d3a645a4291ec43c1d526dd4a811da1a0
tree	0fca41eaaab4e435a4bb9b66910ad367133e72af	tree \| snapshot
parent	028474876f472c3b6eee633aed528a1206609657	commit \| diff

powerpc: align stack to 2 * THREAD_SIZE with VMAP_STACK

In order to ease stack overflow detection, align
stack to 2 * THREAD_SIZE when using VMAP_STACK.
This allows overflow detection using a single bit check.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/60e9ae86b7d2cdcf21468787076d345663648f46.1576916812.git.christophe.leroy@c-s.fr

Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

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arch/powerpc/include/asm/thread_info.h		diff \| blob \| blame \| history
arch/powerpc/kernel/setup_32.c		diff \| blob \| blame \| history
arch/powerpc/kernel/setup_64.c		diff \| blob \| blame \| history
arch/powerpc/kernel/vmlinux.lds.S		diff \| blob \| blame \| history