git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Christophe Leroy <christophe.leroy@csgroup.eu>
	Sun, 27 Sep 2020 09:16:33 +0000 (09:16 +0000)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Thu, 3 Dec 2020 14:01:17 +0000 (01:01 +1100)
commit	6e3c2e9814e8654731f01280fee4fa83b23251bf
tree	f227a7426c8e357087db461585f0d48b2969f6fb	tree \| snapshot
parent	40429ab259750e82b40f9f6b114690012755b996	commit \| diff

powerpc/vdso: Retrieve sigtramp offsets at buildtime

This is copied from arm64.

Instead of using runtime generated signal trampoline offsets,
get offsets at buildtime.

If the said trampoline doesn't exist, build will fail. So no
need to check whether the trampoline exists or not in the VDSO.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f8bfd6812c3e3678b1cdb4d55a52f9eb022b40d3.1601197618.git.christophe.leroy@csgroup.eu

12 files changed:

arch/powerpc/Makefile		diff \| blob \| history
arch/powerpc/include/asm/vdso.h		diff \| blob \| history
arch/powerpc/kernel/signal_32.c		diff \| blob \| history
arch/powerpc/kernel/signal_64.c		diff \| blob \| history
arch/powerpc/kernel/vdso32/Makefile		diff \| blob \| history
arch/powerpc/kernel/vdso32/gen_vdso_offsets.sh	[new file with mode: 0755]	blob
arch/powerpc/kernel/vdso32/vdso32.lds.S		diff \| blob \| history
arch/powerpc/kernel/vdso64/Makefile		diff \| blob \| history
arch/powerpc/kernel/vdso64/gen_vdso_offsets.sh	[new file with mode: 0755]	blob
arch/powerpc/kernel/vdso64/vdso64.lds.S		diff \| blob \| history
arch/powerpc/perf/callchain_32.c		diff \| blob \| history
arch/powerpc/perf/callchain_64.c		diff \| blob \| history

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