diff --git a/Documentation/powerpc/ptrace.txt b/Documentation/powerpc/ptrace.txt index f2a7a3919772..99c5ce88d0fe 100644 --- a/Documentation/powerpc/ptrace.txt +++ b/Documentation/powerpc/ptrace.txt @@ -40,6 +40,7 @@ features will have bits indicating whether there is support for: #define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x2 #define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x4 #define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x8 +#define PPC_DEBUG_FEATURE_DATA_BP_DAWR 0x10 2. PTRACE_SETHWDEBUG diff --git a/arch/powerpc/include/uapi/asm/ptrace.h b/arch/powerpc/include/uapi/asm/ptrace.h index 66b9ca4ee94a..77d2ed35b111 100644 --- a/arch/powerpc/include/uapi/asm/ptrace.h +++ b/arch/powerpc/include/uapi/asm/ptrace.h @@ -211,6 +211,7 @@ struct ppc_debug_info { #define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x0000000000000002 #define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x0000000000000004 #define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x0000000000000008 +#define PPC_DEBUG_FEATURE_DATA_BP_DAWR 0x0000000000000010 #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 10ade3c0c88a..3b14d320e69f 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -1644,6 +1644,8 @@ long arch_ptrace(struct task_struct *child, long request, dbginfo.sizeof_condition = 0; #ifdef CONFIG_HAVE_HW_BREAKPOINT dbginfo.features = PPC_DEBUG_FEATURE_DATA_BP_RANGE; + if (cpu_has_feature(CPU_FTR_DAWR)) + dbginfo.features |= PPC_DEBUG_FEATURE_DATA_BP_DAWR; #else dbginfo.features = 0; #endif /* CONFIG_HAVE_HW_BREAKPOINT */