* [PATCH] cacheflush.h: Add forward declaration for struct folio
[not found] ` <20220322131327.GA747088@roeck-us.net>
@ 2022-03-23 3:35 ` Herbert Xu
2022-03-23 12:43 ` Matthew Wilcox
2022-03-23 17:11 ` Linus Torvalds
0 siblings, 2 replies; 4+ messages in thread
From: Herbert Xu @ 2022-03-23 3:35 UTC (permalink / raw)
To: Guenter Roeck, Linus Torvalds, Linux Kernel Mailing List
Cc: Harsha, Linux Crypto Mailing List, Matthew Wilcox, Andrew Morton
On Tue, Mar 22, 2022 at 06:13:27AM -0700, Guenter Roeck wrote:
> On Wed, Mar 09, 2022 at 03:20:01PM +1200, Herbert Xu wrote:
> > This patch turns the new SHA driver into a tristate and also allows
> > compile testing.
> >
> > Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
>
> This results in:
>
> Building s390:allmodconfig ... failed
> --------------
> Error log:
> In file included from drivers/crypto/xilinx/zynqmp-sha.c:6:
> include/linux/cacheflush.h:12:46: error: 'struct folio' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> 12 | static inline void flush_dcache_folio(struct folio *folio)
This should be fixed in cacheflush.h:
---8<---
The struct folio is not declared in cacheflush.h so we need to
provide a forward declaration as otherwise users of this header
file may get warnings.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 522a0032af00 ("Add linux/cacheflush.h")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
index fef8b607f97e..a6189d21f2ba 100644
--- a/include/linux/cacheflush.h
+++ b/include/linux/cacheflush.h
@@ -4,6 +4,8 @@
#include <asm/cacheflush.h>
+struct folio;
+
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
void flush_dcache_folio(struct folio *folio);
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] cacheflush.h: Add forward declaration for struct folio
2022-03-23 3:35 ` [PATCH] cacheflush.h: Add forward declaration for struct folio Herbert Xu
@ 2022-03-23 12:43 ` Matthew Wilcox
2022-03-23 17:11 ` Linus Torvalds
1 sibling, 0 replies; 4+ messages in thread
From: Matthew Wilcox @ 2022-03-23 12:43 UTC (permalink / raw)
To: Herbert Xu
Cc: Guenter Roeck, Linus Torvalds, Linux Kernel Mailing List, Harsha,
Linux Crypto Mailing List, Andrew Morton
On Wed, Mar 23, 2022 at 03:35:10PM +1200, Herbert Xu wrote:
> This should be fixed in cacheflush.h:
>
> ---8<---
> The struct folio is not declared in cacheflush.h so we need to
> provide a forward declaration as otherwise users of this header
> file may get warnings.
>
> Reported-by: Guenter Roeck <linux@roeck-us.net>
> Fixes: 522a0032af00 ("Add linux/cacheflush.h")
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
> index fef8b607f97e..a6189d21f2ba 100644
> --- a/include/linux/cacheflush.h
> +++ b/include/linux/cacheflush.h
> @@ -4,6 +4,8 @@
>
> #include <asm/cacheflush.h>
>
> +struct folio;
> +
> #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
> void flush_dcache_folio(struct folio *folio);
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] cacheflush.h: Add forward declaration for struct folio
2022-03-23 3:35 ` [PATCH] cacheflush.h: Add forward declaration for struct folio Herbert Xu
2022-03-23 12:43 ` Matthew Wilcox
@ 2022-03-23 17:11 ` Linus Torvalds
1 sibling, 0 replies; 4+ messages in thread
From: Linus Torvalds @ 2022-03-23 17:11 UTC (permalink / raw)
To: Herbert Xu
Cc: Guenter Roeck, Linux Kernel Mailing List, Harsha,
Linux Crypto Mailing List, Matthew Wilcox, Andrew Morton
On Tue, Mar 22, 2022 at 8:35 PM Herbert Xu <herbert@gondor.apana.org.au> wrote:
>
> This should be fixed in cacheflush.h:
Applied. Thanks,
Linus
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] cacheflush.h: Add forward declaration for struct folio
@ 2022-03-23 4:10 Guenter Roeck
0 siblings, 0 replies; 4+ messages in thread
From: Guenter Roeck @ 2022-03-23 4:10 UTC (permalink / raw)
To: Herbert Xu
Cc: Linus Torvalds, Linux Kernel Mailing List, Harsha,
Linux Crypto Mailing List, Matthew Wilcox, Andrew Morton
On Wed, Mar 23, 2022 at 03:35:10PM +1200, Herbert Xu wrote:
> On Tue, Mar 22, 2022 at 06:13:27AM -0700, Guenter Roeck wrote:
> > On Wed, Mar 09, 2022 at 03:20:01PM +1200, Herbert Xu wrote:
> > > This patch turns the new SHA driver into a tristate and also allows
> > > compile testing.
> > >
> > > Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
> >
> > This results in:
> >
> > Building s390:allmodconfig ... failed
> > --------------
> > Error log:
> > In file included from drivers/crypto/xilinx/zynqmp-sha.c:6:
> > include/linux/cacheflush.h:12:46: error: 'struct folio' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> > 12 | static inline void flush_dcache_folio(struct folio *folio)
>
> This should be fixed in cacheflush.h:
>
> ---8<---
> The struct folio is not declared in cacheflush.h so we need to
> provide a forward declaration as otherwise users of this header
> file may get warnings.
>
> Reported-by: Guenter Roeck <linux@roeck-us.net>
> Fixes: 522a0032af00 ("Add linux/cacheflush.h")
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Guenter
>
> diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
> index fef8b607f97e..a6189d21f2ba 100644
> --- a/include/linux/cacheflush.h
> +++ b/include/linux/cacheflush.h
> @@ -4,6 +4,8 @@
>
> #include <asm/cacheflush.h>
>
> +struct folio;
> +
> #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
> void flush_dcache_folio(struct folio *folio);
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] ` <20220322131327.GA747088@roeck-us.net>
2022-03-23 3:35 ` [PATCH] cacheflush.h: Add forward declaration for struct folio Herbert Xu
2022-03-23 12:43 ` Matthew Wilcox
2022-03-23 17:11 ` Linus Torvalds
2022-03-23 4:10 Guenter Roeck
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