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authorHelge Deller <deller@gmx.de>2016-04-13 22:27:22 +0200
committerHelge Deller <deller@gmx.de>2016-04-14 17:47:19 +0200
commit366dd4ea9d5f0eb78fdf4982d76506f99480ec0a (patch)
treea1540803a33b13685a1fe2e3fa8af13bc2e7f018 /arch/parisc/Kconfig.debug
parentb562e44f507e863c6792946e4e1b1449fbbac85d (diff)
downloadlinux-stericsson-366dd4ea9d5f0eb78fdf4982d76506f99480ec0a.tar.gz
parisc: Fix ftrace function tracer
Fix the FTRACE function tracer for 32- and 64-bit kernel. The former code was horribly broken. Reimplement most coding in assembly and utilize optimizations, e.g. put mcount() and ftrace_stub() into one L1 cacheline. Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/Kconfig.debug')
-rw-r--r--arch/parisc/Kconfig.debug4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug
index bc989e522a04..68b7cbd0810a 100644
--- a/arch/parisc/Kconfig.debug
+++ b/arch/parisc/Kconfig.debug
@@ -2,9 +2,13 @@ menu "Kernel hacking"
source "lib/Kconfig.debug"
+config TRACE_IRQFLAGS_SUPPORT
+ def_bool y
+
config DEBUG_RODATA
bool "Write protect kernel read-only data structures"
depends on DEBUG_KERNEL
+ default y
help
Mark the kernel read-only data as write-protected in the pagetables,
in order to catch accidental (and incorrect) writes to such const