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| author | Jeff Dike <jdike@addtoit.com> | 2005-05-20 13:59:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-20 15:48:18 -0700 |
| commit | 7b9014c1da380384efe7752db38a0253a74d0238 (patch) | |
| tree | 5120dc5b523664068b2fa2bdfa153db71d5a37a9 /arch/um/kernel | |
| parent | 9b67a3c4cd380968bffe8efb681470acda42b441 (diff) | |
| download | kernel_samsung_crespo-7b9014c1da380384efe7752db38a0253a74d0238.zip kernel_samsung_crespo-7b9014c1da380384efe7752db38a0253a74d0238.tar.gz kernel_samsung_crespo-7b9014c1da380384efe7752db38a0253a74d0238.tar.bz2 | |
[PATCH] uml: Remove ubd-mmap support
Finally rip out the ubd-mmap code, which turned out to be broken by design.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel')
| -rw-r--r-- | arch/um/kernel/trap_kern.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c index 9ae2eff..1de22d8 100644 --- a/arch/um/kernel/trap_kern.c +++ b/arch/um/kernel/trap_kern.c @@ -107,33 +107,6 @@ out_of_memory: goto out; } -LIST_HEAD(physmem_remappers); - -void register_remapper(struct remapper *info) -{ - list_add(&info->list, &physmem_remappers); -} - -static int check_remapped_addr(unsigned long address, int is_write) -{ - struct remapper *remapper; - struct list_head *ele; - __u64 offset; - int fd; - - fd = phys_mapping(__pa(address), &offset); - if(fd == -1) - return(0); - - list_for_each(ele, &physmem_remappers){ - remapper = list_entry(ele, struct remapper, list); - if((*remapper->proc)(fd, address, is_write, offset)) - return(1); - } - - return(0); -} - /* * We give a *copy* of the faultinfo in the regs to segv. * This must be done, since nesting SEGVs could overwrite @@ -152,8 +125,6 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc) flush_tlb_kernel_vm(); return(0); } - else if(check_remapped_addr(address & PAGE_MASK, is_write)) - return(0); else if(current->mm == NULL) panic("Segfault with no mm"); err = handle_page_fault(address, ip, is_write, is_user, &si.si_code); |