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

[Didier Nadeau]

This patch concerns userspace-rcu, I should have specified it.

2015-12-16 15:02 GMT-05:00 Didier Nadeau <didier.nadeau at gmail.com>:

> 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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