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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-02-18 14:25:21 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2010-02-22 17:05:51 +0100
commite01292b1fd68ff2abe234d584b06e64344d2c1de (patch)
treeb9abd2012cc92740a216083ebd3fc3c92e7d84bc /arch/Kconfig
parent952974ac61f686896bd4134dae106a886a5589f1 (diff)
tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API
So that arch developers know how to implement it without the need to dig into changelogs. Reported-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S . Miller" <davem@davemloft.net> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20100218132521.GB2406@osiris.boeblingen.de.ibm.com> [added reference to ptrace.h in the config help] Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 04e3aa77da2..50877ef2584 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -123,6 +123,11 @@ config USE_GENERIC_SMP_HELPERS
config HAVE_REGS_AND_STACK_ACCESS_API
bool
+ help
+ This symbol should be selected by an architecure if it supports
+ the API needed to access registers and stack entries from pt_regs,
+ declared in asm/ptrace.h
+ For example the kprobes-based event tracer needs this API.
config HAVE_CLK
bool