diff options
| author | David Daney <david.daney@cavium.com> | 2012-04-19 14:59:57 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-04-19 15:06:56 -0700 |
| commit | 1dbdc6f177c627ae462752c80a5c7f3b06a7f92a (patch) | |
| tree | 935aacf3b5955d36adf87197738c798d8d4341b4 | |
| parent | d219e2e86a407035303b987e4184ca0b1de53257 (diff) | |
kbuild/extable: Hook up sortextable into the build system.
Define a config variable BUILDTIME_EXTABLE_SORT to control build time
sorting of the kernel's exception table.
Patch Makefile to do the sorting when BUILDTIME_EXTABLE_SORT is
selected.
Signed-off-by: David Daney <david.daney@cavium.com>
Link: http://lkml.kernel.org/r/1334872799-14589-4-git-send-email-ddaney.cavm@gmail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | Makefile | 10 | ||||
| -rw-r--r-- | init/Kconfig | 3 |
2 files changed, 13 insertions, 0 deletions
@@ -784,6 +784,10 @@ quiet_cmd_vmlinux_version = GEN .version quiet_cmd_sysmap = SYSMAP cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap +# Sort exception table at build time +quiet_cmd_sortextable = SORTEX + cmd_sortextable = $(objtree)/scripts/sortextable + # Link of vmlinux # If CONFIG_KALLSYMS is set .version is already updated # Generate System.map and verify that the content is consistent @@ -796,6 +800,12 @@ define rule_vmlinux__ $(call cmd,vmlinux__) $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd + $(if $(CONFIG_BUILDTIME_EXTABLE_SORT), \ + $(Q)$(if $($(quiet)cmd_sortextable), \ + echo ' $($(quiet)cmd_sortextable) vmlinux' &&) \ + $(cmd_sortextable) vmlinux) + + $(Q)$(if $($(quiet)cmd_sysmap), \ echo ' $($(quiet)cmd_sysmap) System.map' &&) \ $(cmd_sysmap) $@ System.map; \ diff --git a/init/Kconfig b/init/Kconfig index 6cfd71d0646..92a1296ba9f 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -27,6 +27,9 @@ config IRQ_WORK bool depends on HAVE_IRQ_WORK +config BUILDTIME_EXTABLE_SORT + bool + menu "General setup" config EXPERIMENTAL |