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authorMike Frysinger <vapier@gentoo.org>2009-11-25 08:39:03 +0300
committerMike Frysinger <vapier@gentoo.org>2009-12-15 08:15:57 +0300
commit340a1be1eed07bb46c2f2d853e60234c1d5bb1c3 (patch)
tree65c090d15f72093370135b9cdc251825cd841f04 /arch/blackfin
parente187837b6f23c99c219ffc1d42aa18567f6e299d (diff)
downloadlinux-340a1be1eed07bb46c2f2d853e60234c1d5bb1c3.tar.xz
Blackfin: drop ptrace() write support for fixed code/bootrom
These regions are either read-only and won't work anyways (bootrom), or we don't want people screwing with them because they're shared between all processes (fixed code). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/kernel/ptrace.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 56b0ba12175f..65567dc4b9f5 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -316,19 +316,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case BFIN_MEM_ACCESS_CORE_ONLY:
copied = access_process_vm(child, addr, &data,
to_copy, 1);
- if (copied)
- break;
-
- /* hrm, why didn't that work ... maybe no mapping */
- if (addr >= FIXED_CODE_START &&
- addr + to_copy <= FIXED_CODE_END) {
- copy_to_user_page(0, 0, 0, paddr, &data, to_copy);
- copied = to_copy;
- } else if (addr >= BOOT_ROM_START) {
- memcpy(paddr, &data, to_copy);
- copied = to_copy;
- }
-
break;
case BFIN_MEM_ACCESS_DMA:
if (safe_dma_memcpy(paddr, &data, to_copy))