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authorAlexei Starovoitov <ast@kernel.org>2026-09-30 09:59:20 +0000
committerKumar Kartikeya Dwivedi <memxor@gmail.com>2026-10-01 18:40:05 +0200
commitaeb709c767aeca996e6011133e4f7bdb2a4af652 (patch)
treec1c2bdbb4b6b7174a5bbe9e4c2c1f1c0204adcb5 /tools/memory-model/linux-kernel.cfg
downloadlinux-stable-aeb709c767aeca996e6011133e4f7bdb2a4af652.tar.gz
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selftests/bpf: Add a test for objects stuck in free_by_rcu_ttracegrafted
Delete all elements of BPF_F_NO_PREALLOC hash map in one batch. The first free_bulk() starts RCU tasks trace GP and the rest of the elements are freed while it's in flight. Wait for call_rcu_ttrace_in_progress to clear in bpf_mem_cache of every cpu and check that free_by_rcu_ttrace and waiting_for_gp_ttrace lists are empty. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20260930095920.601738-4-alexei.starovoitov@gmail.com Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
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diff --git a/tools/memory-model/linux-kernel.cfg b/tools/memory-model/linux-kernel.cfg
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+macros linux-kernel.def
+bell linux-kernel.bell
+model linux-kernel.cat
+variant lkmmv2
+graph columns
+squished true
+showevents noregs
+movelabel true
+fontsize 8
+xscale 2.0
+yscale 1.5
+arrowsize 0.8
+showinitrf false
+showfinalrf false
+showinitwrites false
+splines spline
+pad 0.1
+edgeattr hb,color,indigo
+edgeattr co,color,blue
+edgeattr mb,color,darkgreen
+edgeattr wmb,color,darkgreen
+edgeattr rmb,color,darkgreen