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locking/atomics: Check generated headers are up-to-date

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Now that all the generated atomic headers are in place, it would be good
to ensure that:

a) the headers are up-to-date when scripting changes.

b) developers don't directly modify the generated headers.

To ensure both of these properties, let's add a Kbuild step to check
that the generated headers are up-to-date.

Signed-off-by: Mark Rutland <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Boqun Feng <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Mark Rutland 2018-09-04 11:48:29 +01:00 • committed by Ingo Molnar
commit 8d32588077
2 changed files with 35 additions and 2 deletions
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18
Kbuild
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@ -6,7 +6,8 @@
# 2) Generate timeconst.h
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls
# 5) Generate constants.py (may need bounds.h)
# 5) check atomics headers are up-to-date
# 6) Generate constants.py (may need bounds.h)
#####
# 1) Generate bounds.h
@ -72,7 +73,20 @@ missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
$(call cmd,syscalls)
#####
# 5) Generate constants for Python GDB integration
# 5) Check atomic headers are up-to-date
#
always += old-atomics
targets += old-atomics
quiet_cmd_atomics = CALL $<
cmd_atomics = $(CONFIG_SHELL) scripts/atomic/check-atomics.sh
old-atomics: scripts/atomic/check-atomics.sh FORCE
$(call cmd,atomics)
#####
# 6) Generate constants for Python GDB integration
#
extra-$(CONFIG_GDB_SCRIPTS) += build_constants_py