summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMasahiro Yamada <masahiroy@kernel.org>2024-11-11 22:45:54 +0900
committerHeiko Carstens <hca@linux.ibm.com>2024-11-12 14:01:30 +0100
commit182c02a6cd5f7947c403ba2321e262fb0aeaabfc (patch)
treed80cd9ba73f7e058108147e248d49ed83c3953df
parente17aca2005087ff501dd9e8f187627f91751c7d3 (diff)
s390/syscalls: Convert filechk to if_changed
The filechk macro always executes the syscalltbl script (and discards the output if there are no changes). Using if_changed is more efficient because it avoids running the script when the target is up-to-date and the command remains unchanged. All other architectures use if_changed for generating syscall headers. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20241111134603.2063226-3-masahiroy@kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
-rw-r--r--arch/s390/kernel/syscalls/Makefile25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile
index 3725dd88428c..c5d958a09ff4 100644
--- a/arch/s390/kernel/syscalls/Makefile
+++ b/arch/s390/kernel/syscalls/Makefile
@@ -23,23 +23,26 @@ uapi: $(uapi-hdrs-y)
# Create output directory if not already present
$(shell mkdir -p $(uapi) $(kapi))
-filechk_syshdr = $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$@" < $<
+quiet_cmd_syshdr = SYSHDR $@
+ cmd_syshdr = $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$@" < $< > $@
-filechk_sysnr = $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
+quiet_cmd_sysnr = SYSNR $@
+ cmd_sysnr = $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $< > $@
-filechk_syscalls = $(CONFIG_SHELL) '$(systbl)' -S < $<
+quiet_cmd_syscalls = SYSTBL $@
+ cmd_syscalls = $(CONFIG_SHELL) '$(systbl)' -S < $< > $@
syshdr_abi_unistd_32 := common,32
-$(uapi)/unistd_32.h: $(syscall) FORCE
- $(call filechk,syshdr)
+$(uapi)/unistd_32.h: $(syscall) $(systbl) FORCE
+ $(call if_changed,syshdr)
syshdr_abi_unistd_64 := common,64
-$(uapi)/unistd_64.h: $(syscall) FORCE
- $(call filechk,syshdr)
+$(uapi)/unistd_64.h: $(syscall) $(systbl) FORCE
+ $(call if_changed,syshdr)
-$(kapi)/syscall_table.h: $(syscall) FORCE
- $(call filechk,syscalls)
+$(kapi)/syscall_table.h: $(syscall) $(systbl) FORCE
+ $(call if_changed,syscalls)
sysnr_abi_unistd_nr := common,32,64
-$(kapi)/unistd_nr.h: $(syscall) FORCE
- $(call filechk,sysnr)
+$(kapi)/unistd_nr.h: $(syscall) $(systbl) FORCE
+ $(call if_changed,sysnr)