Re: [PATCH 4.14 00/57] 4.14.324-rc1 review

[Greg Kroah-Hartman]

On Mon, Aug 28, 2023 at 09:01:41PM -0600, Daniel Díaz wrote:
> Hello!
> 
> On 28/08/23 4:12 a. m., Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.14.324 release.
> > There are 57 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Wed, 30 Aug 2023 10:11:30 +0000.
> > Anything received after that time might be too late.
> > 
> > The whole patch series can be found in one patch at:
> > 	https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.324-rc1.gz
> > or in the git tree and branch at:
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> > 
> > -------------
> > Pseudo-Shortlog of commits:
> > 
> > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> >      Linux 4.14.324-rc1
> > 
> [...]
> > Nathan Lynch <nathanl@xxxxxxxxxxxxx>
> >      powerpc/rtas_flash: allow user copy to flash block cache objects
> [...]
> 
> We see this build regression on PowerPC with GCC-8 and GCC-12:
> -----8<-----
>   /builds/linux/arch/powerpc/kernel/rtas_flash.c: In function 'rtas_flash_init':
>   /builds/linux/arch/powerpc/kernel/rtas_flash.c:717:22: error: implicit declaration of function 'kmem_cache_create_usercopy'; did you mean 'kmem_cache_create'? [-Werror=implicit-function-declaration]
>     flash_block_cache = kmem_cache_create_usercopy("rtas_flash_cache",
>                         ^~~~~~~~~~~~~~~~~~~~~~~~~~
>                         kmem_cache_create
>   /builds/linux/arch/powerpc/kernel/rtas_flash.c:717:20: error: assignment to 'struct kmem_cache *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion]
>     flash_block_cache = kmem_cache_create_usercopy("rtas_flash_cache",
>                       ^
> ----->8-----
> 
> That's on defconfig and cell_defconfig.
> 
> Bisection points to "powerpc/rtas_flash: allow user copy to flash block cache objects" (5190538c66e5). Reverting that patch makes the build pass again.

Now dropped, thanks.

greg k-h