mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-01-19 04:44:09 +00:00
62d2d0a338
Both livepatch and BPF trampoline use ftrace. Special attention is needed
when livepatch and fexit program touch the same function at the same
time, because livepatch updates a kernel function and the BPF trampoline
need to call into the right version of the kernel function.
Use samples/livepatch/livepatch-sample.ko for the test.
The test covers two cases:
1) When a fentry program is loaded first. This exercises the
modify_ftrace_direct code path.
2) When a fentry program is loaded first. This exercises the
register_ftrace_direct code path.
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20251027175023.1521602-4-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
129 lines
2.8 KiB
Plaintext
129 lines
2.8 KiB
Plaintext
CONFIG_BLK_DEV_LOOP=y
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CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
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CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
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CONFIG_BPF=y
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CONFIG_BPF_EVENTS=y
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CONFIG_BPF_JIT=y
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CONFIG_BPF_KPROBE_OVERRIDE=y
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CONFIG_BPF_LIRC_MODE2=y
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CONFIG_BPF_LSM=y
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CONFIG_BPF_STREAM_PARSER=y
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CONFIG_BPF_SYSCALL=y
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# CONFIG_BPF_UNPRIV_DEFAULT_OFF is not set
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CONFIG_CGROUP_BPF=y
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CONFIG_CRYPTO_HMAC=y
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CONFIG_CRYPTO_SHA256=y
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CONFIG_CRYPTO_USER_API=y
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CONFIG_CRYPTO_USER_API_HASH=y
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CONFIG_CRYPTO_USER_API_SKCIPHER=y
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CONFIG_CRYPTO_SKCIPHER=y
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CONFIG_CRYPTO_ECB=y
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CONFIG_CRYPTO_AES=y
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CONFIG_DEBUG_INFO=y
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CONFIG_DEBUG_INFO_BTF=y
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CONFIG_DEBUG_INFO_DWARF4=y
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CONFIG_DMABUF_HEAPS=y
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CONFIG_DMABUF_HEAPS_SYSTEM=y
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CONFIG_DUMMY=y
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CONFIG_DYNAMIC_FTRACE=y
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CONFIG_FPROBE=y
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CONFIG_FTRACE_SYSCALLS=y
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CONFIG_FUNCTION_ERROR_INJECTION=y
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CONFIG_FUNCTION_TRACER=y
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CONFIG_FS_VERITY=y
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CONFIG_GENEVE=y
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CONFIG_IKCONFIG=y
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CONFIG_IKCONFIG_PROC=y
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CONFIG_IMA=y
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CONFIG_IMA_READ_POLICY=y
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CONFIG_IMA_WRITE_POLICY=y
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CONFIG_INET_ESP=y
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CONFIG_IP_NF_FILTER=y
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CONFIG_IP_NF_RAW=y
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CONFIG_IP_NF_TARGET_SYNPROXY=y
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CONFIG_IPV6=y
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CONFIG_IPV6_FOU=y
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CONFIG_IPV6_FOU_TUNNEL=y
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CONFIG_IPV6_GRE=y
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CONFIG_IPV6_SEG6_BPF=y
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CONFIG_IPV6_SIT=y
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CONFIG_IPV6_TUNNEL=y
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CONFIG_KEYS=y
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CONFIG_LIRC=y
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CONFIG_LIVEPATCH=y
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CONFIG_LWTUNNEL=y
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CONFIG_MODULE_SIG=y
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CONFIG_MODULE_SRCVERSION_ALL=y
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CONFIG_MODULE_UNLOAD=y
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CONFIG_MODULES=y
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CONFIG_MODVERSIONS=y
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CONFIG_MPLS=y
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CONFIG_MPLS_IPTUNNEL=y
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CONFIG_MPLS_ROUTING=y
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CONFIG_MPTCP=y
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CONFIG_NET_ACT_GACT=y
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CONFIG_NET_ACT_MIRRED=y
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CONFIG_NET_ACT_SKBMOD=y
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CONFIG_NET_CLS=y
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CONFIG_NET_CLS_ACT=y
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CONFIG_NET_CLS_BPF=y
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CONFIG_NET_CLS_FLOWER=y
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CONFIG_NET_CLS_MATCHALL=y
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CONFIG_NET_FOU=y
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CONFIG_NET_FOU_IP_TUNNELS=y
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CONFIG_NET_IPGRE=y
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CONFIG_NET_IPGRE_DEMUX=y
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CONFIG_NET_IPIP=y
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CONFIG_NET_MPLS_GSO=y
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CONFIG_NET_SCH_BPF=y
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CONFIG_NET_SCH_FQ=y
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CONFIG_NET_SCH_INGRESS=y
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CONFIG_NET_SCH_HTB=y
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CONFIG_NET_SCHED=y
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CONFIG_NETDEVSIM=y
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CONFIG_NETFILTER=y
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CONFIG_NETFILTER_ADVANCED=y
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CONFIG_NETFILTER_SYNPROXY=y
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CONFIG_NETFILTER_XT_CONNMARK=y
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CONFIG_NETFILTER_XT_MATCH_STATE=y
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CONFIG_NETFILTER_XT_TARGET_CT=y
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CONFIG_NETKIT=y
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CONFIG_NF_CONNTRACK=y
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CONFIG_NF_CONNTRACK_MARK=y
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CONFIG_NF_CONNTRACK_ZONES=y
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CONFIG_NF_DEFRAG_IPV4=y
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CONFIG_NF_DEFRAG_IPV6=y
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CONFIG_NF_TABLES=y
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CONFIG_NF_TABLES_INET=y
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CONFIG_NF_TABLES_NETDEV=y
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CONFIG_NF_TABLES_IPV4=y
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CONFIG_NF_TABLES_IPV6=y
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CONFIG_NETFILTER_INGRESS=y
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CONFIG_IP_NF_IPTABLES_LEGACY=y
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CONFIG_IP6_NF_IPTABLES_LEGACY=y
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CONFIG_NETFILTER_XTABLES_LEGACY=y
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CONFIG_NF_FLOW_TABLE=y
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CONFIG_NF_FLOW_TABLE_INET=y
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CONFIG_NETFILTER_NETLINK=y
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CONFIG_NFT_FLOW_OFFLOAD=y
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CONFIG_IP_NF_IPTABLES=y
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CONFIG_IP6_NF_IPTABLES=y
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CONFIG_IP6_NF_FILTER=y
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CONFIG_NF_NAT=y
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CONFIG_PACKET=y
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CONFIG_RC_CORE=y
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CONFIG_SAMPLES=y
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CONFIG_SAMPLE_LIVEPATCH=m
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CONFIG_SECURITY=y
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CONFIG_SECURITYFS=y
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CONFIG_SYN_COOKIES=y
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CONFIG_TEST_BPF=m
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CONFIG_UDMABUF=y
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CONFIG_USERFAULTFD=y
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CONFIG_VSOCKETS=y
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CONFIG_VXLAN=y
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CONFIG_XDP_SOCKETS=y
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CONFIG_XFRM_INTERFACE=y
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CONFIG_TCP_CONG_DCTCP=y
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CONFIG_TCP_CONG_BBR=y
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