Re: [PATCH] oprofile: add AArch64 support

[Saul Wold <sgw@linux.intel.com>]

On 01/16/2013 07:49 AM, Marcin Juszkiewicz wrote:
> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
> ---
>   ...d-rmb-definition-for-AArch64-architecture.patch | 31 ++++++++++++++++++++++
>   meta/recipes-kernel/oprofile/oprofile_0.9.8.bb     |  3 ++-
>   2 files changed, 33 insertions(+), 1 deletion(-)
>   create mode 100644 meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch
>
> diff --git a/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch b/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch
> new file mode 100644
> index 0000000..195bfb2
> --- /dev/null
> +++ b/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch
> @@ -0,0 +1,31 @@
> +From 27edaef9c6d66dfc324630ef40cb27e78031eeeb Mon Sep 17 00:00:00 2001
> +From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
> +Date: Tue, 15 Jan 2013 07:37:33 +0100
> +Subject: [PATCH] Add rmb() definition for AArch64 architecture
> +
> +Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
> +
> +Upstream-status: backport

Upstream-Status: Backport

Capital Status please

Thanks
	Sau!



> +---
> + libperf_events/operf_utils.h | 5 +++++
> + 1 file changed, 5 insertions(+)
> +
> +diff --git a/libperf_events/operf_utils.h b/libperf_events/operf_utils.h
> +index 815d51d..2df00b7 100644
> +--- a/libperf_events/operf_utils.h
> ++++ b/libperf_events/operf_utils.h
> +@@ -148,6 +148,11 @@ void op_release_resources(void);
> + #define cpu_relax()	asm volatile("":::"memory")
> + #endif
> +
> ++#ifdef __aarch64__
> ++#define rmb()		asm volatile("dmb ld" ::: "memory")
> ++#define cpu_relax()	asm volatile("yield" ::: "memory")
> ++#endif
> ++
> + #ifdef __mips__
> + #include <asm/unistd.h>
> + #define rmb()		asm volatile(					\
> +--
> +1.8.0
> +
> diff --git a/meta/recipes-kernel/oprofile/oprofile_0.9.8.bb b/meta/recipes-kernel/oprofile/oprofile_0.9.8.bb
> index 939c1ba..d283b5c 100644
> --- a/meta/recipes-kernel/oprofile/oprofile_0.9.8.bb
> +++ b/meta/recipes-kernel/oprofile/oprofile_0.9.8.bb
> @@ -2,7 +2,8 @@ require oprofile.inc
>
>   PR = "${INC_PR}.0"
>
> -SRC_URI += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.gz"
> +SRC_URI += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.gz \
> +            file://0001-Add-rmb-definition-for-AArch64-architecture.patch"
>
>   SRC_URI[md5sum] = "6d127023af1dd1cf24e15411229f3cc8"
>   SRC_URI[sha256sum] = "ab45900fa1a23e5d5badf3c0a55f26c17efe6e184efcf00b371433751fa761bc"
>