Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: fix microcode driver newly spewing warnings
  x86, PAT: Remove page granularity tracking for vm_insert_pfn maps
  x86: disable X86_PTRACE_BTS for now
  x86, documentation: kernel-parameters replace X86-32,X86-64 with X86
  x86: pci-swiotlb.c swiotlb_dma_ops should be static
  x86, PAT: Remove duplicate memtype reserve in devmem mmap
  x86, PAT: Consolidate code in pat_x_mtrr_type() and reserve_memtype()
  x86, PAT: Changing memtype to WC ensuring no WB alias
  x86, PAT: Handle faults cleanly in set_memory_ APIs
  x86, PAT: Change order of cpa and free in set_memory_wb
  x86, CPA: Change idmap attribute before ioremap attribute setup

1 files changed, 0 insertions, 27 deletions

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 3586b3b3df3f..8f05c38c2f06 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -301,33 +301,7 @@ static inline int private_mapping_ok(struct vm_area_struct *vma)
 }
 #endif
 
-void __attribute__((weak))
-map_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
-{
-        /* nothing. architectures can override. */
-}
-
-void __attribute__((weak))
-unmap_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
-{
-        /* nothing. architectures can override. */
-}
-
-static void mmap_mem_open(struct vm_area_struct *vma)
-{
-        map_devmem(vma->vm_pgoff,  vma->vm_end - vma->vm_start,
-                        vma->vm_page_prot);
-}
-
-static void mmap_mem_close(struct vm_area_struct *vma)
-{
-        unmap_devmem(vma->vm_pgoff,  vma->vm_end - vma->vm_start,
-                        vma->vm_page_prot);
-}
-
 static struct vm_operations_struct mmap_mem_ops = {
-        .open  = mmap_mem_open,
-        .close = mmap_mem_close,
 #ifdef CONFIG_HAVE_IOREMAP_PROT
         .access = generic_access_phys
 #endif
@@ -362,7 +336,6 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
                             vma->vm_pgoff,
                             size,
                             vma->vm_page_prot)) {
-                unmap_devmem(vma->vm_pgoff, size, vma->vm_page_prot);
                 return -EAGAIN;
         }
         return 0;