diff options
| author |   Ravi Bangoria <ravi.bangoria@linux.ibm.com> | 2019-10-17 15:01:58 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-11-13 16:58:02 +1100 |
| commit | b811be615cb78c90fca42bbd5b958427d03ba7e0 (patch) | |
| tree | 7f3619f689d6823344b7363f5994461d689168f2 /arch/powerpc/kernel/ptrace.c | |
| parent | powerpc/security: Fix wrong message when RFI Flush is disable (diff) | |
| download | linux-dev-b811be615cb78c90fca42bbd5b958427d03ba7e0.tar.xz linux-dev-b811be615cb78c90fca42bbd5b958427d03ba7e0.zip | |
powerpc/watchpoint: Introduce macros for watchpoint length
We are hadrcoding length everywhere in the watchpoint code. Introduce
macros for the length and use them.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191017093204.7511-2-ravi.bangoria@linux.ibm.com
Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 76724a023b9b..eba39a5f6294 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -2425,7 +2425,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, return -EIO; hw_brk.address = data & (~HW_BRK_TYPE_DABR); hw_brk.type = (data & HW_BRK_TYPE_DABR) | HW_BRK_TYPE_PRIV_ALL; - hw_brk.len = 8; + hw_brk.len = DABR_MAX_LEN; set_bp = (data) && (hw_brk.type & HW_BRK_TYPE_RDWR); #ifdef CONFIG_HAVE_HW_BREAKPOINT bp = thread->ptrace_bps[0]; @@ -2456,7 +2456,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Create a new breakpoint request if one doesn't exist already */ hw_breakpoint_init(&attr); attr.bp_addr = hw_brk.address; - attr.bp_len = 8; + attr.bp_len = DABR_MAX_LEN; arch_bp_generic_fields(hw_brk.type, &attr.bp_type); @@ -2882,7 +2882,7 @@ static long ppc_set_hwdebug(struct task_struct *child, brk.address = bp_info->addr & ~7UL; brk.type = HW_BRK_TYPE_TRANSLATE; - brk.len = 8; + brk.len = DABR_MAX_LEN; if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ) brk.type |= HW_BRK_TYPE_READ; if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) |