RE: [PATCH] drivers: staging: zcache: fix Kconfig crypto dependency

[Dan Magenheimer]

> From: Randy Dunlap [mailto:rdunlap@xxxxxxxxxxxx]
> Sent: Friday, April 27, 2012 6:38 PM
> To: Seth Jennings
> Cc: Greg Kroah-Hartman; devel@xxxxxxxxxxxxxxxxxxxx; Dan Magenheimer; Autif Khan; Konrad Rzeszutek
> Wilk; linux-kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; Robert Jennings; Nitin Gupta
> Subject: Re: [PATCH] drivers: staging: zcache: fix Kconfig crypto dependency
> 
> On 04/23/2012 06:33 PM, Seth Jennings wrote:
> 
> > ZCACHE is a boolean in the Kconfig.  When selected, it
> > should require that CRYPTO be builtin (=y).
> >
> > Currently, ZCACHE=y and CRYPTO=m is a valid configuration
> > when it should not be.
> >
> > This patch changes the zcache Kconfig to enforce this
> > dependency.
> >
> > Signed-off-by: Seth Jennings <sjenning@xxxxxxxxxxxxxxxxxx>
> 
> 
> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>

Not sure if you need my approval, but I just in case you are waiting
for it:

Acked-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>

> > ---
> >  drivers/staging/zcache/Kconfig |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
> > index 3ed2c8f..7048e01 100644
> > --- a/drivers/staging/zcache/Kconfig
> > +++ b/drivers/staging/zcache/Kconfig
> > @@ -2,7 +2,7 @@ config ZCACHE
> >  	bool "Dynamic compression of swap pages and clean pagecache pages"
> >  	# X86 dependency is because zsmalloc uses non-portable pte/tlb
> >  	# functions
> > -	depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86
> > +	depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86
> >  	select ZSMALLOC
> >  	select CRYPTO_LZO
> >  	default n
> 
> 
> 
> --
> ~Randy
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