Re: [PATCH 2/3] mm: replace __HAVE_ARCH_PTE_SPECIAL

On 09/04/2018 22:08, David Rientjes wrote: > On Mon, 9 Apr 2018, Christoph Hellwig wrote: > >>> -#ifdef __HAVE_ARCH_PTE_SPECIAL >>> +#ifdef CONFIG_ARCH_HAS_PTE_SPECIAL >>> # define HAVE_PTE_SPECIAL 1 >>> #else >>> # define HAVE_PTE_SPECIAL 0 >> >> I'd say kill this odd indirection and just use

[PATCH v2 2/2] mm: remove odd HAVE_PTE_SPECIAL

Remove the additional define HAVE_PTE_SPECIAL and rely directly on CONFIG_ARCH_HAS_PTE_SPECIAL. There is no functional change introduced by this patch Signed-off-by: Laurent Dufour --- mm/memory.c | 23 ++- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/mm/m

[PATCH v2 1/2] mm: introduce ARCH_HAS_PTE_SPECIAL

Currently the PTE special supports is turned on in per architecture header files. Most of the time, it is defined in arch/*/include/asm/pgtable.h depending or not on some other per architecture static definition. This patch introduce a new configuration variable to manage this directly in the Kcon

[PATCH v2 0/2] move __HAVE_ARCH_PTE_SPECIAL in Kconfig

The per architecture __HAVE_ARCH_PTE_SPECIAL is defined statically in the per architecture header files. This doesn't allow to make other configuration dependent on it. The first patch of this series is replacing __HAVE_ARCH_PTE_SPECIAL by CONFIG_ARCH_HAS_PTE_SPECIAL defined into the Kconfig files

Re: [PATCH v2 2/2] mm: remove odd HAVE_PTE_SPECIAL

On 10/04/18 16:25, Laurent Dufour wrote: Remove the additional define HAVE_PTE_SPECIAL and rely directly on CONFIG_ARCH_HAS_PTE_SPECIAL. There is no functional change introduced by this patch Signed-off-by: Laurent Dufour --- mm/memory.c | 23 ++- 1 file changed, 10 inse

Re: [PATCH v2 1/2] mm: introduce ARCH_HAS_PTE_SPECIAL

On Tue, Apr 10, 2018 at 05:25:50PM +0200, Laurent Dufour wrote: > arch/powerpc/include/asm/pte-common.h | 3 --- > arch/riscv/Kconfig | 1 + > arch/s390/Kconfig | 1 + You forgot to delete __HAVE_ARCH_PTE_SPE

Re: [PATCH v2 1/2] mm: introduce ARCH_HAS_PTE_SPECIAL

On 10/04/2018 18:09, Matthew Wilcox wrote: > On Tue, Apr 10, 2018 at 05:25:50PM +0200, Laurent Dufour wrote: >> arch/powerpc/include/asm/pte-common.h | 3 --- >> arch/riscv/Kconfig | 1 + >> arch/s390/Kconfig

Re: [PATCH v2 2/2] mm: remove odd HAVE_PTE_SPECIAL

On 10/04/2018 17:58, Robin Murphy wrote: > On 10/04/18 16:25, Laurent Dufour wrote: >> Remove the additional define HAVE_PTE_SPECIAL and rely directly on >> CONFIG_ARCH_HAS_PTE_SPECIAL. >> >> There is no functional change introduced by this patch >> >> Signed-off-by: Laurent Dufour >> --- >>   m

dma-mapping: clear harmful GFP_* flags in common code

Hello, May we have e89f5b370153 ("dma-mapping: Don't clear GFP_ZERO in dma_alloc_attrs") back-ported to 4.16 kernel as it fixes: 57bf5a8 ("dma-mapping: clear harmful GFP_* flags in common code"). For more info about introduced problem see this thread: http://lists.infradead.org/pipermail/linux-s

[RFC linux] init: make all setup_arch() output string to boot_command_line[]

From: yuan linyu then all arch boot parameter handled in the same way in start_kernel() Signed-off-by: yuan linyu --- arch/alpha/kernel/setup.c | 4 +--- arch/arc/kernel/setup.c| 5 + arch/arm/kernel/setup.c| 7 +-- arch/arm64/kernel/setup.c

Re: [PATCH v2 1/2] mm: introduce ARCH_HAS_PTE_SPECIAL

On Tue, 10 Apr 2018 09:09:32 PDT (-0700), wi...@infradead.org wrote: On Tue, Apr 10, 2018 at 05:25:50PM +0200, Laurent Dufour wrote: arch/powerpc/include/asm/pte-common.h | 3 --- arch/riscv/Kconfig | 1 + arch/s390/Kconfig

Re: [PATCH v2 1/2] mm: introduce ARCH_HAS_PTE_SPECIAL

On Tue, 10 Apr 2018, Laurent Dufour wrote: > > On Tue, Apr 10, 2018 at 05:25:50PM +0200, Laurent Dufour wrote: > >> arch/powerpc/include/asm/pte-common.h | 3 --- > >> arch/riscv/Kconfig | 1 + > >> arch/s390/Kconfig

Re: [PATCH] bug.h: Work around GCC PR82365 in BUG()

Hi Arnd, On Tue, Dec 19, 2017 at 12:39:33PM +0100, Arnd Bergmann wrote: > diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h > index 5d595cfdb2c4..66cfdad68f7e 100644 > --- a/include/linux/compiler-gcc.h > +++ b/include/linux/compiler-gcc.h > @@ -205,6 +205,15 @@ > #endif >