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authorSebastian Ott <sebott@redhat.com>2025-06-05 12:36:12 +0200
committerMarc Zyngier <maz@kernel.org>2025-06-05 14:28:01 +0100
commit05ce38d489dbc96eb1dd700b287f949cb8cc0610 (patch)
tree67fa70117d7323447d2793c0833be72170a84c77 /tools/perf/scripts/python/call-graph-from-postgresql.py
parent050632ae6571d0f148fa0d4b90b6409a12645461 (diff)
KVM: arm64: selftests: Fix xVAL init in arch_timer_edge_cases
arch_timer_edge_cases hits the following assertion in < 10% of the test runs: ==== Test Assertion Failure ==== arm64/arch_timer_edge_cases.c:490: timer_get_cntct(timer) >= DEF_CNT + (timer_get_cntfrq() * (uint64_t)(delta_2_ms) / 1000) pid=17110 tid=17110 errno=4 - Interrupted system call 1 0x0000000000404ec7: test_run at arch_timer_edge_cases.c:945 2 0x0000000000401fa3: main at arch_timer_edge_cases.c:1074 3 0x0000ffffa774b587: ?? ??:0 4 0x0000ffffa774b65f: ?? ??:0 5 0x000000000040206f: _start at ??:? timer_get_cntct(timer) >= DEF_CNT + msec_to_cycles(delta_2_ms) Enabling the timer without proper xval initialization in set_tval_irq() resulted in an early interrupt during timer reprogramming. Make sure to set the xval before setting the enable bit. Signed-off-by: Sebastian Ott <sebott@redhat.com> Link: https://lore.kernel.org/r/20250605103613.14544-4-sebott@redhat.com Signed-off-by: Marc Zyngier <maz@kernel.org>
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