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| author | Dongdong Deng <dongdong.deng@windriver.com> | 2010-08-05 16:22:25 +0200 |
|---|---|---|
| committer | Jason Wessel <jason.wessel@windriver.com> | 2010-08-05 16:22:25 +0200 |
| commit | df4939350b345ebb44937902827aa75b8ad4998c (patch) | |
| tree | eac83368c659160c6e4bd919abc2fe8a7f9edd77 /arch/x86/kernel/kgdb.c | |
| parent | kgdb,mips: remove unused kgdb_cpu_doing_single_step operations (diff) | |
| download | linux-df4939350b345ebb44937902827aa75b8ad4998c.tar.xz linux-df4939350b345ebb44937902827aa75b8ad4998c.zip | |
kgdb,x86: use macro HBP_NUM to replace magic number 4
Use the macros provided by the HW breakpoint API.
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'arch/x86/kernel/kgdb.c')
| -rw-r--r-- | arch/x86/kernel/kgdb.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index a8b80979ceb8..ef10940e1af0 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -195,7 +195,7 @@ static struct hw_breakpoint { int len; int type; struct perf_event **pev; -} breakinfo[4]; +} breakinfo[HBP_NUM]; static unsigned long early_dr7; @@ -203,7 +203,7 @@ static void kgdb_correct_hw_break(void) { int breakno; - for (breakno = 0; breakno < 4; breakno++) { + for (breakno = 0; breakno < HBP_NUM; breakno++) { struct perf_event *bp; struct arch_hw_breakpoint *info; int val; @@ -290,10 +290,10 @@ kgdb_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype) { int i; - for (i = 0; i < 4; i++) + for (i = 0; i < HBP_NUM; i++) if (breakinfo[i].addr == addr && breakinfo[i].enabled) break; - if (i == 4) + if (i == HBP_NUM) return -1; if (hw_break_release_slot(i)) { @@ -311,7 +311,7 @@ static void kgdb_remove_all_hw_break(void) int cpu = raw_smp_processor_id(); struct perf_event *bp; - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (!breakinfo[i].enabled) continue; bp = *per_cpu_ptr(breakinfo[i].pev, cpu); @@ -331,10 +331,10 @@ kgdb_set_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype) { int i; - for (i = 0; i < 4; i++) + for (i = 0; i < HBP_NUM; i++) if (!breakinfo[i].enabled) break; - if (i == 4) + if (i == HBP_NUM) return -1; switch (bptype) { @@ -395,7 +395,7 @@ void kgdb_disable_hw_debug(struct pt_regs *regs) /* Disable hardware debugging while we are in kgdb: */ set_debugreg(0UL, 7); - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (!breakinfo[i].enabled) continue; if (dbg_is_early) { @@ -640,7 +640,7 @@ void kgdb_arch_late(void) attr.bp_len = HW_BREAKPOINT_LEN_1; attr.bp_type = HW_BREAKPOINT_W; attr.disabled = 1; - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (breakinfo[i].pev) continue; breakinfo[i].pev = register_wide_hw_breakpoint(&attr, NULL); |