Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752779AbbFKIoq (ORCPT ); Thu, 11 Jun 2015 04:44:46 -0400 Received: from e28smtp06.in.ibm.com ([122.248.162.6]:60859 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751114AbbFKIoF (ORCPT ); Thu, 11 Jun 2015 04:44:05 -0400 From: Madhavan Srinivasan To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sukadev@linux.vnet.ibm.com, eranian@google.com, khandual@linux.vnet.ibm.com, rusty@rustcorp.com.au, Madhavan Srinivasan Subject: [PATCH 5/8]powerpc/perf: Define big-endian version of perf_mem_data_src Date: Thu, 11 Jun 2015 14:13:34 +0530 Message-Id: <1434012217-9776-6-git-send-email-maddy@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434012217-9776-1-git-send-email-maddy@linux.vnet.ibm.com> References: <1434012217-9776-1-git-send-email-maddy@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15061108-0021-0000-0000-000005B78B0E Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1727 Lines: 54 From: Sukadev Bhattiprolu perf_mem_data_src is an union that is initialized via the ->val field and accessed via the bitmap fields. For this to work on big endian platforms, we also need a big-endian represenation of perf_mem_data_src. Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Madhavan Srinivasan --- include/uapi/linux/perf_event.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 9b79abb..b3f4099 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -747,6 +747,7 @@ enum perf_callchain_context { #define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ #define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ +#if defined(__LITTLE_ENDIAN_BITFIELD) union perf_mem_data_src { __u64 val; struct { @@ -758,6 +759,21 @@ union perf_mem_data_src { mem_rsvd:31; }; }; +#elif defined(__BIG_ENDIAN_BITFIELD) +union perf_mem_data_src { + __u64 val; + struct { + __u64 mem_rsvd:31, + mem_dtlb:7, /* tlb access */ + mem_lock:2, /* lock instr */ + mem_snoop:5, /* snoop mode */ + mem_lvl:14, /* memory hierarchy level */ + mem_op:5; /* type of opcode */ + }; +}; +#else +#error "Unknown endianness" +#endif /* type of opcode (load/store/prefetch,code) */ #define PERF_MEM_OP_NA 0x01 /* not available */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/