The patch titled
iommu sg: kill __clear_bit_string and find_next_zero_string
has been added to the -mm tree. Its filename is
iommu-sg-kill-__clear_bit_string-and-find_next_zero_string.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: iommu sg: kill __clear_bit_string and find_next_zero_string
From: FUJITA Tomonori <tomof@xxxxxxx>
This kills unused __clear_bit_string and find_next_zero_string (they
were used by only gart and calgary IOMMUs).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Muli Ben-Yehuda <mulix@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/lib/Makefile_64 | 2 +-
arch/x86/lib/bitstr_64.c | 28 ----------------------------
include/asm-x86/bitops_64.h | 16 ----------------
3 files changed, 1 insertion(+), 45 deletions(-)
diff -puN arch/x86/lib/Makefile_64~iommu-sg-kill-__clear_bit_string-and-find_next_zero_string arch/x86/lib/Makefile_64
--- a/arch/x86/lib/Makefile_64~iommu-sg-kill-__clear_bit_string-and-find_next_zero_string
+++ a/arch/x86/lib/Makefile_64
@@ -9,5 +9,5 @@ obj-$(CONFIG_SMP) += msr-on-cpu.o
lib-y := csum-partial_64.o csum-copy_64.o csum-wrappers_64.o delay_64.o \
usercopy_64.o getuser_64.o putuser_64.o \
- thunk_64.o clear_page_64.o copy_page_64.o bitstr_64.o bitops_64.o
+ thunk_64.o clear_page_64.o copy_page_64.o bitops_64.o
lib-y += memcpy_64.o memmove_64.o memset_64.o copy_user_64.o rwlock_64.o copy_user_nocache_64.o
diff -puN arch/x86/lib/bitstr_64.c~iommu-sg-kill-__clear_bit_string-and-find_next_zero_string /dev/null
--- a/arch/x86/lib/bitstr_64.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <linux/module.h>
-#include <linux/bitops.h>
-
-/* Find string of zero bits in a bitmap */
-unsigned long
-find_next_zero_string(unsigned long *bitmap, long start, long nbits, int len)
-{
- unsigned long n, end, i;
-
- again:
- n = find_next_zero_bit(bitmap, nbits, start);
- if (n == -1)
- return -1;
-
- /* could test bitsliced, but it's hardly worth it */
- end = n+len;
- if (end > nbits)
- return -1;
- for (i = n+1; i < end; i++) {
- if (test_bit(i, bitmap)) {
- start = i+1;
- goto again;
- }
- }
- return n;
-}
-
-EXPORT_SYMBOL(find_next_zero_string);
diff -puN include/asm-x86/bitops_64.h~iommu-sg-kill-__clear_bit_string-and-find_next_zero_string include/asm-x86/bitops_64.h
--- a/include/asm-x86/bitops_64.h~iommu-sg-kill-__clear_bit_string-and-find_next_zero_string
+++ a/include/asm-x86/bitops_64.h
@@ -37,12 +37,6 @@ static inline long __scanbit(unsigned lo
((off)+(__scanbit(~(((*(unsigned long *)addr)) >> (off)),(size)-(off)))) : \
find_next_zero_bit(addr,size,off)))
-/*
- * Find string of zero bits in a bitmap. -1 when not found.
- */
-extern unsigned long
-find_next_zero_string(unsigned long *bitmap, long start, long nbits, int len);
-
static inline void set_bit_string(unsigned long *bitmap, unsigned long i,
int len)
{
@@ -53,16 +47,6 @@ static inline void set_bit_string(unsign
}
}
-static inline void __clear_bit_string(unsigned long *bitmap, unsigned long i,
- int len)
-{
- unsigned long end = i + len;
- while (i < end) {
- __clear_bit(i, bitmap);
- i++;
- }
-}
-
/**
* ffz - find first zero in word.
* @word: The word to search
_
Patches currently in -mm which might be from tomof@xxxxxxx are
git-scsi-misc.patch
iommu-sg-merging-add-device_dma_parameters-structure.patch
iommu-sg-merging-pci-add-device_dma_parameters-support.patch
iommu-sg-merging-x86-make-pci-gart-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-ppc-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-ia64-make-sba_iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-alpha-make-pci_iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-sparc64-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-parisc-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-call-blk_queue_segment_boundary-in-__scsi_alloc_queue.patch
iommu-sg-merging-sata_inic162x-use-pci_set_dma_max_seg_size.patch
iommu-sg-merging-aacraid-use-pci_set_dma_max_seg_size.patch
iommu-sg-add-iommu-helper-functions-for-the-free-area-management.patch
iommu-sg-powerpc-convert-iommu-to-use-the-iommu-helper.patch
iommu-sg-powerpc-remove-dma-4gb-boundary-protection.patch
iommu-sg-x86-convert-calgary-iommu-to-use-the-iommu-helper.patch
iommu-sg-x86-convert-gart-iommu-to-use-the-iommu-helper.patch
iommu-sg-kill-__clear_bit_string-and-find_next_zero_string.patch
add-accessors-for-segment_boundary_mask-in.patch
pci-add-dma-segment-boundary-support.patch
swiotlb-respect-the-segment-boundary-limits.patch
call-dma_set_seg_boundary-in-__scsi_alloc_queue.patch
alpha-kill-deprecated-virt_to_bus.patch
-
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