From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Alastair D'Silva <alastair@au1.ibm.com>, alastair@d-silva.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>, Qian Cai <cai@lca.pw>,
Nicholas Piggin <npiggin@gmail.com>,
Allison Randal <allison@lohutok.net>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] powerpc: Remove 'extern' from func prototypes in cache headers
Date: Tue, 3 Sep 2019 08:21:53 +0200 [thread overview]
Message-ID: <1a59f400-7e04-ef34-9b9e-eb5143fe261c@c-s.fr> (raw)
In-Reply-To: <20190903052407.16638-6-alastair@au1.ibm.com>
Le 03/09/2019 à 07:23, Alastair D'Silva a écrit :
> From: Alastair D'Silva <alastair@d-silva.org>
>
> The 'extern' keyword does not value-add for function prototypes.
Is it worth it ? That kind of change is nice cleanup but the drawback is
to kill automatic backports of fixes.
>
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
> ---
> arch/powerpc/include/asm/cache.h | 8 ++++----
> arch/powerpc/include/asm/cacheflush.h | 6 +++---
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
> index 91c808c6738b..54fffdf5a6ec 100644
> --- a/arch/powerpc/include/asm/cache.h
> +++ b/arch/powerpc/include/asm/cache.h
> @@ -102,10 +102,10 @@ static inline u32 l1_icache_bytes(void)
> #define __read_mostly __attribute__((__section__(".data..read_mostly")))
>
> #ifdef CONFIG_PPC_BOOK3S_32
> -extern long _get_L2CR(void);
> -extern long _get_L3CR(void);
> -extern void _set_L2CR(unsigned long);
> -extern void _set_L3CR(unsigned long);
> +long _get_L2CR(void);
> +long _get_L3CR(void);
> +void _set_L2CR(unsigned long val);
> +void _set_L3CR(unsigned long val);
> #else
> #define _get_L2CR() 0L
> #define _get_L3CR() 0L
> diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
> index 4a1c9f0200e1..fa10dc19206c 100644
> --- a/arch/powerpc/include/asm/cacheflush.h
> +++ b/arch/powerpc/include/asm/cacheflush.h
> @@ -38,15 +38,15 @@ static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }
> #endif
>
> #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
> -extern void flush_dcache_page(struct page *page);
> +void flush_dcache_page(struct page *page);
> #define flush_dcache_mmap_lock(mapping) do { } while (0)
> #define flush_dcache_mmap_unlock(mapping) do { } while (0)
>
> void flush_icache_range(unsigned long start, unsigned long stop);
> -extern void flush_icache_user_range(struct vm_area_struct *vma,
> +void flush_icache_user_range(struct vm_area_struct *vma,
> struct page *page, unsigned long addr,
> int len);
You have to re-align the other parameters to the ( of the first line.
> -extern void flush_dcache_icache_page(struct page *page);
> +void flush_dcache_icache_page(struct page *page);
> void __flush_dcache_icache(void *page);
>
> /**
>
Christophe
next prev parent reply other threads:[~2019-09-03 6:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-03 5:23 [PATCH v2 0/6] powerpc: convert cache asm to C Alastair D'Silva
2019-09-03 5:23 ` [PATCH v2 1/6] powerpc: Allow flush_icache_range to work across ranges >4GB Alastair D'Silva
2019-09-14 7:46 ` Christophe Leroy
2019-09-16 3:25 ` Alastair D'Silva
2019-09-03 5:23 ` [PATCH v2 2/6] powerpc: define helpers to get L1 icache sizes Alastair D'Silva
2019-09-03 5:23 ` [PATCH v2 3/6] powerpc: Convert flush_icache_range & friends to C Alastair D'Silva
2019-09-03 6:08 ` Christophe Leroy
2019-09-03 11:25 ` Michael Ellerman
2019-09-04 3:23 ` Alastair D'Silva
2019-09-04 13:35 ` Segher Boessenkool
2019-09-03 13:04 ` Segher Boessenkool
2019-09-03 14:28 ` Christophe Leroy
2019-09-03 16:04 ` Segher Boessenkool
2019-09-03 17:05 ` Christophe Leroy
2019-09-03 18:31 ` Segher Boessenkool
2019-09-03 20:11 ` Gabriel Paubert
2019-09-04 3:42 ` Alastair D'Silva
2019-09-04 3:36 ` Alastair D'Silva
2019-09-03 5:23 ` [PATCH v2 4/6] powerpc: Chunk calls to flush_dcache_range in arch_*_memory Alastair D'Silva
2019-09-03 6:19 ` Christophe Leroy
2019-09-03 6:25 ` Alastair D'Silva
2019-09-03 6:51 ` Christophe Leroy
2019-09-04 4:11 ` Alastair D'Silva
2019-09-03 5:23 ` [PATCH v2 5/6] powerpc: Remove 'extern' from func prototypes in cache headers Alastair D'Silva
2019-09-03 6:21 ` Christophe Leroy [this message]
2019-09-03 5:24 ` [PATCH v2 6/6] powerpc: Don't flush caches when adding memory Alastair D'Silva
2019-09-03 6:23 ` Christophe Leroy
2019-09-03 6:27 ` Alastair D'Silva
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