From be6b026785414033aac36887cb9ea0ee1244254c Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 12 Feb 2007 00:52:17 -0800 Subject: [PATCH] [PATCH] swiotlb uninlinings Optimise swiotlb.c for size. text data bss dec hex filename 5009 89 64 5162 142a lib/swiotlb.o-before 4666 89 64 4819 12d3 lib/swiotlb.o-after For some reason my gcc (4.0.2) doesn't want to tailcall these things. swiotlb_sync_sg_for_device: pushq %rbp # movl $1, %r8d #, movq %rsp, %rbp #, call swiotlb_sync_sg # leave ret .size swiotlb_sync_sg_for_device, .-swiotlb_sync_sg_for_device .section .text.swiotlb_sync_sg_for_cpu,"ax",@progbits .globl swiotlb_sync_sg_for_cpu .type swiotlb_sync_sg_for_cpu, @function swiotlb_sync_sg_for_cpu: pushq %rbp # xorl %r8d, %r8d # movq %rsp, %rbp #, call swiotlb_sync_sg # leave ret Cc: Jan Beulich Cc: Andi Kleen Cc: "Luck, Tony" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- lib/swiotlb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 50a4380101..623a68af8b 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -313,7 +313,7 @@ cleanup1: #endif #ifndef SWIOTLB_ARCH_HAS_NEEDS_MAPPING -static inline int +static int address_needs_mapping(struct device *hwdev, dma_addr_t addr) { dma_addr_t mask = 0xffffffff; @@ -672,7 +672,7 @@ swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, size_t size, * address back to the card, you must first perform a * swiotlb_dma_sync_for_device, and then the device again owns the buffer */ -static inline void +static void swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr, size_t size, int dir, int target) { @@ -702,7 +702,7 @@ swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, /* * Same as above, but for a sub-range of the mapping. */ -static inline void +static void swiotlb_sync_single_range(struct device *hwdev, dma_addr_t dev_addr, unsigned long offset, size_t size, int dir, int target) @@ -805,7 +805,7 @@ swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nelems, * The same as swiotlb_sync_single_* but for a scatter-gather list, same rules * and usage. */ -static inline void +static void swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sg, int nelems, int dir, int target) { -- 2.39.5