diff options
| author | Ravi Bangoria <ravi.bangoria@linux.ibm.com> | 2020-07-23 14:38:12 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-26 23:34:19 +1000 |
| commit | deb2bd9bcc8428d4b65b6ba640ba8b57c1b20b17 (patch) | |
| tree | 32697109019c111afd2fc493a33062fa110424e3 /arch/powerpc/include/asm/cputable.h | |
| parent | 03f3e54abd95061ea11bdb4eedbe3cab6553704f (diff) | |
powerpc/watchpoint: Return available watchpoints dynamically
So far Book3S Powerpc supported only one watchpoint. Power10 is
introducing 2nd DAWR. Enable 2nd DAWR support for Power10.
Availability of 2nd DAWR will depend on CPU_FTR_DAWR1.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200723090813.303838-10-ravi.bangoria@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm/cputable.h')
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index d36db35e3aac..fdddb822d564 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -629,9 +629,10 @@ enum { /* * Maximum number of hw breakpoint supported on powerpc. Number of - * breakpoints supported by actual hw might be less than this. + * breakpoints supported by actual hw might be less than this, which + * is decided at run time in nr_wp_slots(). */ -#define HBP_NUM_MAX 1 +#define HBP_NUM_MAX 2 #endif /* !__ASSEMBLY__ */ |