From 4a8a9379f2af4c9928529b3959bc2d8f7023c6bc Mon Sep 17 00:00:00 2001 From: Ravi Bangoria Date: Thu, 14 May 2020 16:47:31 +0530 Subject: powerpc/watchpoint: Provide DAWR number to __set_breakpoint Introduce new parameter 'nr' to __set_breakpoint() which indicates which DAWR should be programed. Also convert current_brk variable to an array. Signed-off-by: Ravi Bangoria Signed-off-by: Michael Ellerman Reviewed-by: Michael Neuling Link: https://lore.kernel.org/r/20200514111741.97993-7-ravi.bangoria@linux.ibm.com --- arch/powerpc/include/asm/debug.h | 2 +- arch/powerpc/include/asm/hw_breakpoint.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/include/asm') diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h index 7756026b95ca..ec57daf87f40 100644 --- a/arch/powerpc/include/asm/debug.h +++ b/arch/powerpc/include/asm/debug.h @@ -45,7 +45,7 @@ static inline int debugger_break_match(struct pt_regs *regs) { return 0; } static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } #endif -void __set_breakpoint(struct arch_hw_breakpoint *brk); +void __set_breakpoint(int nr, struct arch_hw_breakpoint *brk); bool ppc_breakpoint_available(void); #ifdef CONFIG_PPC_ADV_DEBUG_REGS extern void do_send_trap(struct pt_regs *regs, unsigned long address, diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index 5b3b02834e0b..1120c7d9db58 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -85,7 +85,7 @@ static inline void hw_breakpoint_disable(void) brk.len = 0; brk.hw_len = 0; if (ppc_breakpoint_available()) - __set_breakpoint(&brk); + __set_breakpoint(0, &brk); } extern void thread_change_pc(struct task_struct *tsk, struct pt_regs *regs); int hw_breakpoint_handler(struct die_args *args); -- cgit v1.2.3