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authorRavi Bangoria <ravi.bangoria@linux.ibm.com>2020-05-14 14:17:31 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-05-18 17:11:04 +0300
commit4a8a9379f2af4c9928529b3959bc2d8f7023c6bc (patch)
tree4d7d53dff1e83ad503e760c54f99a797c9bce236 /arch/powerpc/include
parenta18b834625d345bfa89c4e2754dd6cbb0133c4d7 (diff)
downloadlinux-4a8a9379f2af4c9928529b3959bc2d8f7023c6bc.tar.xz
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 <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Michael Neuling <mikey@neuling.org> Link: https://lore.kernel.org/r/20200514111741.97993-7-ravi.bangoria@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/debug.h2
-rw-r--r--arch/powerpc/include/asm/hw_breakpoint.h2
2 files changed, 2 insertions, 2 deletions
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);