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

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

author	Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
	Thu, 5 Sep 2019 18:20:29 +0000 (23:50 +0530)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Wed, 18 Sep 2019 02:24:55 +0000 (12:24 +1000)
commit	6753552154be412e9e340619aa9c4966beb08e1b
tree	9795c67704e2d5d70595e4e61e5517393d40f644	tree \| snapshot
parent	a70bc778a996bf2f1e3c6847dcc43bb446f32f02	commit \| diff

powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR

This associates entries in the ftrace_ret_stack with corresponding stack
frames, enabling more robust stack unwinding. Also update the only user
of ftrace_graph_ret_addr() to pass the stack pointer.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0224f2d0971b069c678e2ff678cfc2cd1e114cfe.1567707399.git.naveen.n.rao@linux.vnet.ibm.com

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arch/powerpc/include/asm/asm-prototypes.h		diff \| blob \| history
arch/powerpc/include/asm/ftrace.h		diff \| blob \| history
arch/powerpc/kernel/stacktrace.c		diff \| blob \| history
arch/powerpc/kernel/trace/ftrace.c		diff \| blob \| history
arch/powerpc/kernel/trace/ftrace_32.S		diff \| blob \| history
arch/powerpc/kernel/trace/ftrace_64_mprofile.S		diff \| blob \| history
arch/powerpc/kernel/trace/ftrace_64_pg.S		diff \| blob \| history