lttng-tools: Disable on qemuriscv32

lttng-tools requires SYS_ppoll and SYS_pselect6 which are not supported on
riscv32. This has been confirmed by lttng-tools upstream.
https://github.com/lttng/lttng-tools/pull/162

It's also turned off for riscv32 in meta-riscv.
https://github.com/riscv/meta-riscv/blob/master/conf/layer.conf

Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-kernel/lttng/lttng-platforms.inc b/meta/recipes-kernel/lttng/lttng-platforms.inc
index 933c65d85d56be805e0f2e5cda393633272932c8..98b13b194ce2186d2509aafa248ca2dd50d45212 100644 (file)
--- a/meta/recipes-kernel/lttng/lttng-platforms.inc
+++ b/meta/recipes-kernel/lttng/lttng-platforms.inc
@@ -15,3 +15,7 @@ LTTNGUST:arc = ""
 
 COMPATIBLE_HOST:arc:pn-lttng-ust = "null"
 
+# Whether the platform supports lttng-tools
+# lttng-tools requires SYS_ppoll and SYS_pselect6 which are not supported on riscv32.
+# It's also turned off for riscv32 in meta-riscv. See https://github.com/riscv/meta-riscv/blob/master/conf/layer.conf
+COMPATIBLE_HOST:qemuriscv32:pn-lttng-tools = "null"