On Sun, Dec 14 2008, FUJITA Tomonori wrote: > This is a resend of: > > http://marc.info/?l=linux-kernel&m=122482703616607&w=2 > > = > From: FUJITA Tomonori <fujita.tomon...@lab.ntt.co.jp> > Subject: [PATCH] powerpc: remove dead BIO_VMERGE_BOUNDARY definition > > The block layer dropped the virtual merge feature > (b8b3e16cfe6435d961f6aaebcfd52a1ff2a988c5). BIO_VMERGE_BOUNDARY > definition is meaningless now (For POWER, BIO_VMERGE_BOUNDARY has been > meaningless for a long time since POWER disables the virtual merge > feature). > > Signed-off-by: FUJITA Tomonori <fujita.tomon...@lab.ntt.co.jp>
Acked-by: Jens Axboe <jens.ax...@oracle.com> > --- > arch/powerpc/include/asm/io.h | 7 ------- > 1 files changed, 0 insertions(+), 7 deletions(-) > > diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h > index 08266d2..494cd8b 100644 > --- a/arch/powerpc/include/asm/io.h > +++ b/arch/powerpc/include/asm/io.h > @@ -713,13 +713,6 @@ static inline void * phys_to_virt(unsigned long address) > */ > #define page_to_phys(page) ((phys_addr_t)page_to_pfn(page) << PAGE_SHIFT) > > -/* We do NOT want virtual merging, it would put too much pressure on > - * our iommu allocator. Instead, we want drivers to be smart enough > - * to coalesce sglists that happen to have been mapped in a contiguous > - * way by the iommu > - */ > -#define BIO_VMERGE_BOUNDARY 0 > - > /* > * 32 bits still uses virt_to_bus() for it's implementation of DMA > * mappings se we have to keep it defined here. We also have some old > -- > 1.5.5.GIT > -- Jens Axboe _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
