[PATCH V3] powerpc : Fail remap_4k_pfn() if PFN doesn't fit inside PTE

: Added parentheses to protect 'pfn' and entire macro as suggested by Brian. V2 : Rewritten to avoid helper function as suggested by Stephen Rothwell. Signed-off-by: Madhusudanan Kandasamy --- arch/powerpc/include/asm/pte-hash64-64k.h | 5 +++-- 1 file changed, 3 insertions(+), 2

[PATCH V2] powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE

() and returns -EINVAL if the input 4K PFN cannot be contained in PTE. Signed-off-by: Madhusudanan Kandasamy --- arch/powerpc/include/asm/pte-hash64-64k.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte

Re: [PATCH] powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE

Hi Stephen, Thanks for the suggestion, I'll send a new patch. On Thursday 10 July 2014 04:19 AM, Stephen Rothwell wrote: > Hi Madhusudanan, > > On Wed, 09 Jul 2014 21:38:31 +0530 Madhusudanan Kandasamy > wrote: >> >> diff --git a/arch/powerpc/include/asm/pte-ha

[PATCH] powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE

a helper inline function in the failure case so that the remap_4k_pfn() macro can still be used in expression contexts. Signed-off-by: Madhusudanan Kandasamy --- arch/powerpc/include/asm/pte-hash64-64k.h | 11 +-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/powerpc