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Mon, 27 Nov 2023 14:44:20 +1100 (AEDT) Date: Mon, 27 Nov 2023 14:44:18 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Arnd Bergmann , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm tree Message-ID: <20231127144418.54daad5d@canb.auug.org.au> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Sun, 26 Nov 2023 19:44:30 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783682412460626818 X-GMAIL-MSGID: 1783687204940488014 Hi all, After merging the mm tree, today's linux-next build (sparc64 defconfig) failed like this: arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] 254 | __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) | ^~~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] 282 | __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] 307 | __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) | ^~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] 343 | __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vma.c:246:12: warning: no previous prototype for 'init_vdso_image' [-Wmissing-prototypes] 246 | int __init init_vdso_image(const struct vdso_image *image, | ^~~~~~~~~~~~~~~ arch/sparc/prom/p1275.c:52:6: warning: no previous prototype for 'prom_cif_init' [-Wmissing-prototypes] 52 | void prom_cif_init(void *cif_handler, void *cif_stack) | ^~~~~~~~~~~~~ In file included from arch/sparc/vdso/vdso32/vclock_gettime.c:22: arch/sparc/vdso/vdso32/../vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] 254 | __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) | ^~~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vdso32/../vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] 282 | __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vdso32/../vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] 307 | __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) | ^~~~~~~~~~~~~~~~~~~ arch/sparc/vdso/vdso32/../vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] 343 | __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/prom/misc_64.c:165:5: warning: no previous prototype for 'prom_get_mmu_ihandle' [-Wmissing-prototypes] 165 | int prom_get_mmu_ihandle(void) | ^~~~~~~~~~~~~~~~~~~~ arch/sparc/kernel/traps_64.c:253:6: error: no previous prototype for 'is_no_fault_exception' [-Werror=missing-prototypes] 253 | bool is_no_fault_exception(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~ arch/sparc/kernel/traps_64.c:2035:6: error: no previous prototype for 'do_mcd_err' [-Werror=missing-prototypes] 2035 | void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent) | ^~~~~~~~~~ arch/sparc/kernel/traps_64.c:2153:6: error: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Werror=missing-prototypes] 2153 | bool sun4v_nonresum_error_user_handled(struct pt_regs *regs, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors arch/sparc/mm/init_64.c:2644:6: error: no previous prototype for 'vmemmap_free' [-Werror=missing-prototypes] 2644 | void vmemmap_free(unsigned long start, unsigned long end, | ^~~~~~~~~~~~ cc1: all warnings being treated as errors Caused by commit c6345dfa6e3e ("Makefile.extrawarn: turn on missing-prototypes globally") I applied the following hack for today. From: Stephen Rothwell Date: Mon, 27 Nov 2023 14:18:45 +1100 Subject: [PATCH] sparc: turn off Werror for now Reported-by: Stephen Rothwell Signed-off-by: Andrew Morton --- arch/sparc/kernel/Makefile | 2 +- arch/sparc/mm/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 0984bb6f0f17..1ce4d5028c86 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -5,7 +5,7 @@ # asflags-y := -ansi -ccflags-y := -Werror +#ccflags-y := -Werror # Undefine sparc when processing vmlinux.lds - it is used # And teach CPP we are doing $(BITS) builds (for this case) diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index 871354aa3c00..a199484e131f 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -3,7 +3,7 @@ # asflags-y := -ansi -ccflags-y := -Werror +#ccflags-y := -Werror obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o obj-y += fault_$(BITS).o