ci/diffs: add a patch for test_xsk

Some tests from test_xsk occasionally fail on aarch64 and s390x with a
timeout in receive_pkts(). Add a CI patch increasing the timeout to
verify whether it's too short in this environment.

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>

Author: theihor

ci/diffs/20251231-selftests-bpf-increase-thread-timeout-in-test_xsk.patch

@@ -0,0 +1,26 @@
+From 18839e3a16d1fd37bae386a4f11316c5f67775fe Mon Sep 17 00:00:00 2001
+From: Ihor Solodrai <ihor.solodrai@linux.dev>
+Date: Wed, 31 Dec 2025 10:06:39 -0800
+Subject: [PATCH] selftests/bpf: increase thread timeout in test_xsk
+
+Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
+---
+ tools/testing/selftests/bpf/prog_tests/test_xsk.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/testing/selftests/bpf/prog_tests/test_xsk.c b/tools/testing/selftests/bpf/prog_tests/test_xsk.c
+index 5af28f359cfd..8dcb60bbfc89 100644
+--- a/tools/testing/selftests/bpf/prog_tests/test_xsk.c
++++ b/tools/testing/selftests/bpf/prog_tests/test_xsk.c
+@@ -29,7 +29,7 @@
+ /* Just to align the data in the packet */
+ #define PKT_HDR_SIZE			(sizeof(struct ethhdr) + 2)
+ #define POLL_TMOUT			1000
+-#define THREAD_TMOUT			3
++#define THREAD_TMOUT			16
+ #define UMEM_HEADROOM_TEST_SIZE		128
+ #define XSK_DESC__INVALID_OPTION	(0xffff)
+ #define XSK_UMEM__INVALID_FRAME_SIZE	(MAX_ETH_JUMBO_SIZE + 1)
+-- 
+2.52.0
+

ci/vmtest/configs/DENYLIST.aarch64

@@ -1,5 +1,3 @@
 map_kptr/success-map
-ns_xsk_drv/BIDIRECTIONAL
-ns_xsk_skb
 send_signal
 unpriv_bpf_disabled

ci/vmtest/configs/DENYLIST.s390x

@@ -1,5 +1,4 @@
 arena_spin_lock
 map_kptr/success-map
-ns_xsk_skb/SEND_RECEIVE_SINGLE_PKT
 res_spin_lock_stress
 tc_edt