From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the mm tree
Date: Fri, 22 Dec 2023 11:16:49 +1100 [thread overview]
Message-ID: <20231222111649.7802e7d7@canb.auug.org.au> (raw)
In-Reply-To: <20231127144418.54daad5d@canb.auug.org.au>
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Hi all,
On Mon, 27 Nov 2023 14:44:18 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> 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 <sfr@canb.auug.org.au>
> Date: Mon, 27 Nov 2023 14:18:45 +1100
> Subject: [PATCH] sparc: turn off Werror for now
>
> ---
> 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
> --
> 2.40.1
>
> After which I got these as well:
>
> arch/sparc/kernel/adi_64.c:124:21: warning: no previous prototype for 'find_tag_store' [-Wmissing-prototypes]
> 124 | tag_storage_desc_t *find_tag_store(struct mm_struct *mm,
> | ^~~~~~~~~~~~~~
> arch/sparc/kernel/adi_64.c:156:21: warning: no previous prototype for 'alloc_tag_store' [-Wmissing-prototypes]
> 156 | tag_storage_desc_t *alloc_tag_store(struct mm_struct *mm,
> | ^~~~~~~~~~~~~~~
> arch/sparc/kernel/adi_64.c:299:6: warning: no previous prototype for 'del_tag_store' [-Wmissing-prototypes]
> 299 | void del_tag_store(tag_storage_desc_t *tag_desc, struct mm_struct *mm)
> | ^~~~~~~~~~~~~
> arch/sparc/kernel/uprobes.c:237:17: warning: no previous prototype for 'uprobe_trap' [-Wmissing-prototypes]
> 237 | asmlinkage void uprobe_trap(struct pt_regs *regs,
> | ^~~~~~~~~~~
> arch/sparc/kernel/time_64.c:880:20: warning: no previous prototype for 'sched_clock' [-Wmissing-prototypes]
> 880 | unsigned long long sched_clock(void)
> | ^~~~~~~~~~~
> arch/sparc/kernel/pci_sun4v.c:259:15: warning: no previous prototype for 'dma_4v_iotsb_bind' [-Wmissing-prototypes]
> 259 | unsigned long dma_4v_iotsb_bind(unsigned long devhandle,
> | ^~~~~~~~~~~~~~~~~
> arch/sparc/kernel/setup_64.c:602:13: warning: no previous prototype for 'alloc_irqstack_bootmem' [-Wmissing-prototypes]
> 602 | void __init alloc_irqstack_bootmem(void)
> | ^~~~~~~~~~~~~~~~~~~~~~
>
> And these from the sparc (32) defconfig build:
>
> arch/sparc/lib/cmpdi2.c:6:11: error: no previous prototype for '__cmpdi2' [-Werror=missing-prototypes]
> 6 | word_type __cmpdi2(long long a, long long b)
> | ^~~~~~~~
> cc1: all warnings being treated as errors
> kernel/dma.c:70:5: warning: no previous prototype for 'request_dma' [-Wmissing-prototypes]
> 70 | int request_dma(unsigned int dmanr, const char * device_id)
> | ^~~~~~~~~~~
> kernel/dma.c:88:6: warning: no previous prototype for 'free_dma' [-Wmissing-prototypes]
> 88 | void free_dma(unsigned int dmanr)
> | ^~~~~~~~
>
> So I turned off -Werrror in the lib directory as well which added this:
>
> arch/sparc/lib/ucmpdi2.c:5:11: warning: no previous prototype for '__ucmpdi2' [-Wmissing-prototypes]
> 5 | word_type __ucmpdi2(unsigned long long a, unsigned long long b)
> | ^~~~~~~~~
Is anything being done about the above warnings?
--
Cheers,
Stephen Rothwell
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next prev parent reply other threads:[~2023-12-22 0:16 UTC|newest]
Thread overview: 141+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-27 3:44 linux-next: build failure after merge of the mm tree Stephen Rothwell
2023-12-22 0:16 ` Stephen Rothwell [this message]
2023-12-22 6:26 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2024-04-30 0:38 Stephen Rothwell
2024-04-30 2:23 ` Lance Yang
2024-04-23 0:22 Stephen Rothwell
2024-04-12 6:39 Stephen Rothwell
2024-04-11 23:14 Stephen Rothwell
2024-04-07 23:15 Stephen Rothwell
2024-04-08 1:44 ` Barry Song
2024-04-05 2:55 Stephen Rothwell
2024-03-28 4:34 Stephen Rothwell
2024-03-05 4:26 Stephen Rothwell
2024-03-05 6:39 ` Qi Zheng
2024-02-14 3:57 Stephen Rothwell
2024-02-14 15:19 ` Andrew Morton
2024-02-15 3:47 ` Stephen Rothwell
2024-02-07 6:17 Stephen Rothwell
2024-02-01 2:57 Stephen Rothwell
2024-02-01 8:35 ` Marco Elver
2024-01-25 3:29 Stephen Rothwell
2024-01-25 14:29 ` Baoquan He
2024-01-25 18:03 ` Stephen Rothwell
2024-01-24 23:23 Stephen Rothwell
2024-01-24 23:52 ` Suren Baghdasaryan
2024-01-25 2:40 ` Baoquan He
2024-01-23 23:05 Stephen Rothwell
2024-01-23 23:14 ` Suren Baghdasaryan
2023-12-21 7:38 Stephen Rothwell
2023-12-21 7:45 ` Changbin Du
2023-11-28 21:45 Stephen Rothwell
2023-11-28 22:45 ` Andrew Morton
2023-11-29 8:17 ` Dmitry Rokosov
2023-11-30 22:12 ` Stephen Rothwell
2023-11-27 2:28 Stephen Rothwell
2023-11-27 3:48 ` Stephen Rothwell
2023-11-30 22:04 ` Stephen Rothwell
2023-11-30 22:32 ` Andrew Morton
2023-11-30 22:39 ` Michael Ellerman
2023-11-30 22:52 ` Andrew Morton
2023-12-01 3:12 ` Michael Ellerman
2023-12-07 12:38 ` Michael Ellerman
2023-10-03 22:50 Stephen Rothwell
2023-09-27 23:22 Stephen Rothwell
2023-09-28 6:47 ` Arnd Bergmann
2023-09-25 23:18 Stephen Rothwell
2023-08-22 22:52 Stephen Rothwell
2023-08-21 23:55 Stephen Rothwell
2023-08-22 1:11 ` Matthew Wilcox
2023-08-22 1:22 ` Stephen Rothwell
2023-08-22 1:34 ` Matthew Wilcox
2023-08-22 4:00 ` Darrick J. Wong
2023-08-22 20:20 ` Matthew Wilcox
2023-08-22 7:12 ` Michael Ellerman
2023-08-08 4:40 Stephen Rothwell
2023-08-08 15:20 ` Eric DeVolder
2023-08-11 17:16 ` Eric DeVolder
2023-07-26 5:14 Stephen Rothwell
2023-07-26 13:22 ` Kuan-Ying Lee (李冠穎)
2023-07-26 4:53 Stephen Rothwell
2023-07-26 5:22 ` Aneesh Kumar K.V
2023-07-26 6:51 ` Stephen Rothwell
2023-07-19 4:32 Stephen Rothwell
2023-07-19 5:55 ` Alistair Popple
2023-07-18 0:02 Stephen Rothwell
2023-07-18 13:43 ` Andy Shevchenko
2023-07-18 17:34 ` Andrew Morton
2023-07-18 21:07 ` Andy Shevchenko
2023-07-17 23:40 Stephen Rothwell
2023-07-04 2:23 Stephen Rothwell
2023-07-04 2:32 ` Linus Torvalds
2023-07-04 5:51 ` Suren Baghdasaryan
2023-06-13 6:21 Stephen Rothwell
2023-06-13 15:58 ` Catalin Marinas
2023-05-19 2:43 Stephen Rothwell
2023-05-19 8:19 ` Arnd Bergmann
2023-05-17 23:59 Stephen Rothwell
2023-03-06 2:54 Stephen Rothwell
2023-03-06 3:13 ` Andrew Morton
2023-03-06 0:52 Stephen Rothwell
2023-03-06 21:58 ` Stephen Rothwell
2023-02-07 4:37 Stephen Rothwell
2023-02-07 12:17 ` Jason Gunthorpe
2023-02-08 2:41 ` Stephen Rothwell
2023-02-07 14:25 ` David Howells
2023-01-30 5:14 Stephen Rothwell
2023-01-30 8:09 ` Christian Brauner
2023-02-26 22:18 ` Stephen Rothwell
2023-02-27 10:36 ` Christian Brauner
2023-01-27 6:36 Stephen Rothwell
2023-01-27 6:16 Stephen Rothwell
2023-01-27 5:59 Stephen Rothwell
2023-01-27 13:11 ` Jan Kara
2023-01-31 21:47 ` Stephen Rothwell
2023-02-24 4:40 ` Stephen Rothwell
2023-02-24 6:01 ` Linus Torvalds
2023-02-24 20:36 ` Stephen Rothwell
2023-01-25 3:05 Stephen Rothwell
2022-12-16 1:26 Stephen Rothwell
2022-12-16 3:04 ` Andrew Morton
2022-12-16 0:21 Stephen Rothwell
2022-12-16 0:35 ` Andrew Morton
2022-12-16 1:03 ` Masami Hiramatsu
2022-11-22 6:53 Stephen Rothwell
2022-11-22 10:31 ` David Hildenbrand
2022-11-03 5:02 Stephen Rothwell
2022-11-02 3:55 Stephen Rothwell
2022-11-02 21:26 ` Andrew Morton
2022-10-18 1:24 Stephen Rothwell
2022-09-23 8:12 Stephen Rothwell
2022-09-23 8:15 ` David Hildenbrand
2022-09-23 7:55 Stephen Rothwell
2022-09-23 9:50 ` Michael Walle
2022-09-23 11:01 ` Naoya Horiguchi
2022-09-15 7:07 Stephen Rothwell
2022-09-15 16:37 ` Mike Kravetz
2022-09-15 20:06 ` Andrew Morton
2022-09-06 11:03 Stephen Rothwell
2022-09-06 12:05 ` Rob Clark
2022-09-06 18:05 ` Stephen Rothwell
2022-08-26 7:10 Stephen Rothwell
2022-08-26 7:32 ` Michal Hocko
2022-07-08 9:44 Stephen Rothwell
2022-07-08 15:17 ` Darrick J. Wong
2022-07-10 22:28 ` Stephen Rothwell
2022-05-12 9:38 Stephen Rothwell
2022-05-12 10:13 ` Baolin Wang
2022-05-12 11:07 ` Catalin Marinas
2022-05-12 11:13 ` Baolin Wang
2022-05-12 13:28 ` Catalin Marinas
2022-05-12 19:10 ` Andrew Morton
2022-05-13 7:18 ` Stephen Rothwell
2022-05-11 8:15 Stephen Rothwell
2022-05-11 8:27 ` Baolin Wang
2022-05-11 8:42 ` Baolin Wang
2022-05-11 23:28 ` Stephen Rothwell
2022-05-10 11:25 Stephen Rothwell
2022-05-05 21:37 Stephen Rothwell
2022-05-02 10:49 Stephen Rothwell
2022-05-02 11:19 ` Matthew Wilcox
2022-05-03 6:45 ` Stephen Rothwell
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