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/hw_breakpoint.c | |
| parent | 4e706af3cd8e1d0503c25332b30cad33c97ed442 (diff) | |
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/hw_breakpoint.c')
| -rw-r--r-- | arch/powerpc/kernel/hw_breakpoint.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 1007ec36b4cb..677041cb3c3e 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -163,9 +163,9 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, */ if (!ppc_breakpoint_available()) return -ENODEV; - length_max = 8; /* DABR */ + length_max = DABR_MAX_LEN; /* DABR */ if (dawr_enabled()) { - length_max = 512 ; /* 64 doublewords */ + length_max = DAWR_MAX_LEN; /* 64 doublewords */ /* DAWR region can't cross 512 boundary */ if ((attr->bp_addr >> 9) != ((attr->bp_addr + attr->bp_len - 1) >> 9)) |