powerpc/perf: use is_kernel_addr macro in perf_get_misc_flags()

Cleanup to use is_kernel_addr macro.

Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 87d17a1..595dd71 100644 (file)
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -248,7 +248,7 @@ static inline u32 perf_get_misc_flags(struct pt_regs *regs)
         */
        if (ppmu->flags & PPMU_NO_SIPR) {
                unsigned long siar = mfspr(SPRN_SIAR);
-               if (siar >= PAGE_OFFSET)
+               if (is_kernel_addr(siar))
                        return PERF_RECORD_MISC_KERNEL;
                return PERF_RECORD_MISC_USER;
        }