LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
* [PATCH] powerpc/ftrace: Enable C Version of recordmcount
@ 2019-05-07 13:31 Christophe Leroy
  2019-05-08  0:45 ` Michael Ellerman
  2019-07-03 14:27 ` Michael Ellerman
  0 siblings, 2 replies; 4+ messages in thread
From: Christophe Leroy @ 2019-05-07 13:31 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: linux-kernel, linuxppc-dev

Selects HAVE_C_RECORDMCOUNT to use the C version of the recordmcount
intead of the old Perl Version of recordmcount.

This should improve build time. It also seems like the old Perl Version
misses some calls to _mcount that the C version finds.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2711aac24621..d87de4f9da61 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -180,6 +180,7 @@ config PPC
 	select HAVE_ARCH_NVRAM_OPS
 	select HAVE_ARCH_SECCOMP_FILTER
 	select HAVE_ARCH_TRACEHOOK
+	select HAVE_C_RECORDMCOUNT
 	select HAVE_CBPF_JIT			if !PPC64
 	select HAVE_STACKPROTECTOR		if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13)
 	select HAVE_STACKPROTECTOR		if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2)
-- 
2.13.3


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-07-03 14:27 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-07 13:31 [PATCH] powerpc/ftrace: Enable C Version of recordmcount Christophe Leroy
2019-05-08  0:45 ` Michael Ellerman
2019-05-09 11:27   ` Christophe Leroy
2019-07-03 14:27 ` Michael Ellerman

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).