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checksyscalls: move instance functionality into generic code

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On MIPS the checksyscalls.sh script may be executed multiple times.
Currently these multiple executions are executed on each build as kbuild
see that the commands have changed each time.

Use a dedicated stamp file for each different invocation to avoid the
spurious executions.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20260402-kbuild-missing-syscalls-v3-3-6641be1de2db@weissschuh.net
Signed-off-by: Nicolas Schier <nsc@kernel.org>
This commit is contained in:
Thomas Weißschuh
2026-04-02 16:36:20 +02:00
committed by Nicolas Schier
parent b34db3fa85
commit c7c55f0e16
2 changed files with 4 additions and 6 deletions
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4
Kbuild
View File

@@ -47,11 +47,11 @@ $(rq-offsets-file): kernel/sched/rq-offsets.s FORCE
# Check for missing system calls
missing-syscalls-file := .tmp_missing-syscalls
missing-syscalls-file := .tmp_missing-syscalls$(missing_syscalls_instance)
targets += $(missing-syscalls-file)
quiet_cmd_syscalls = CALL $<
quiet_cmd_syscalls = CALL $< $(addprefix for ,$(missing_syscalls_instance))
cmd_syscalls = DEPFILE=$(depfile) $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags); touch $@
$(missing-syscalls-file): scripts/checksyscalls.sh $(rq-offsets-file) FORCE

6
arch/mips/Makefile
View File

@@ -421,12 +421,10 @@ CLEAN_FILES += vmlinux.32 vmlinux.64
archprepare:
ifdef CONFIG_MIPS32_N32
@$(kecho) ' Checking missing-syscalls for N32'
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_instance="N32" missing_syscalls_flags="-mabi=n32"
endif
ifdef CONFIG_MIPS32_O32
@$(kecho) ' Checking missing-syscalls for O32'
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_instance="O32" missing_syscalls_flags="-mabi=32"
endif
install: