[lttng-dev] [PATCH] Support for Xeon-Phi with newer MPSS

[Mathieu Desnoyers]

merged into urcu master and stable-0.9, thanks!

Mathieu

----- On Dec 16, 2015, at 3:02 PM, Didier Nadeau didier.nadeau at gmail.com wrote:

> The Xeon-Phi is now considered as a new architecture instead of a
> vendor in MPSS version 3.4.4. This change is backward compatible with
> previous MPSS versions.
> 
> Signed-off-by: Didier Nadeau <didier.nadeau at gmail.com>
> ---
> configure.ac | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index e7e300b..39a7777 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -103,6 +103,7 @@ AC_CHECK_HEADERS([ \
> 
> # Find arch type
> AS_CASE([$host_cpu],
> +	[k1om], [ARCHTYPE="x86"],
> 	[i386], [ARCHTYPE="x86" && SUBARCHTYPE="x86compat"],
> 	[i486], [ARCHTYPE="x86"],
> 	[i586], [ARCHTYPE="x86"],
> @@ -189,7 +190,7 @@ AS_IF([test "x$ARCHTYPE" = "xx86"],[
> 	#
> 	#k1om is the name for the Intel MIC family (Xeon Phi). It is an x86_64
> 	#variant but lacks fence instructions.
> -	AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu"
> != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om"],[
> +	AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu"
> != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om" -a
> "x$host_cpu" != "xk1om"],[
> 		AC_MSG_RESULT([yes])
> 		AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
> 	],[
> --
> 1.9.1
> 
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com