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powerpc/watchpoint: Provide DAWR number to set_dawr

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Introduce new parameter 'nr' to set_dawr() which indicates which DAWR
should be programed.

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/20200514111741.97993-6-ravi.bangoria@linux.ibm.com
This commit is contained in:
Ravi Bangoria
2020-05-14 16:47:30 +05:30
committed by Michael Ellerman
parent 45093b382e
commit a18b834625
3 changed files with 13 additions and 8 deletions
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4
arch/powerpc/include/asm/hw_breakpoint.h
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@@ -104,10 +104,10 @@ static inline bool dawr_enabled(void)
{
return dawr_force_enable;
}
int set_dawr(struct arch_hw_breakpoint *brk);
int set_dawr(int nr, struct arch_hw_breakpoint *brk);
#else
static inline bool dawr_enabled(void) { return false; }
static inline int set_dawr(struct arch_hw_breakpoint *brk) { return -1; }
static inline int set_dawr(int nr, struct arch_hw_breakpoint *brk) { return -1; }
#endif
#endif /* __KERNEL__ */