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![]() - Fix the NMI watchdog on ancient Intel CPUs - Remove a misguided, NMI-unsafe KASAN callback from the NMI-safe irq_work path used by perf. - Fix uncore events on Ice Lake servers. - Someone booted maxcpus=1 on an SNB-EP, and the uncore driver emitted warnings and was probably buggy. Fix it. - KCSAN found a genuine data race in the core perf code. Somewhat ironically the bug was introduced through a recent race fix. :-/ In our defense, the new race window was much more narrow. Fix it. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmDErJkRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gjNxAAhWPl+zsVr+bMZGQVnjPf7swXSaqsphtU LrP0hrs4nH0JiB7lZJVjPhCMQKXb+gvP0CTmxkOXmNORDKDK3slIS/zp9uyH1F+d nXhmWi7c1bHU0vortnv87LGJpeeI1E7rQ/uBxK6b2v6kOBmCnjvQEiPvJEIGTtpE YimVBERdPDTBQiW5EQbbyL3VScwm5QUN2STnLPjUtVc9HES/zCdhXNlsASfhn/Tn 8rlSAqVEOUcsTpTXYadHckNi1zn4zrpuhWKpSHXrvXCo3qU8QpISjYNwAJ/0IGBj CMdg2r+MneF6gop76R5aRcA0JDvDgtv56LKFVhi9gEkE5em9YAni17HU0IeTvJmT mL9j64h8oUErC/TpAU1vXCJjIxH7jLq8YQoNwHUvF0pSvcNGsaFeWu1ADQuTEIi9 fyKHRpFwPMBhwc+AMaRepgQ9FlvE4567fQmwlrUDUKlCU0x0dfvFCM2z/o61YFlH oFgB0h0SNxdoj5EXny50LtokP1Kp/oBNVhhNsUpH8wVxWLi61BHJOslcc7nzdP6t JBqVE6bLQlxmlKt2AwiOkxe9xVv34o3AMxUYtUBYgCTZSlRjL//7pcqgG5r+CZH/ eXEU3wWcGtRPEItGXtiGT9Vm2ZYSaUMFF7k7OrTPCHgkW51oEW4FUoaV7M+9fl43 638x9Wnse4Q= =9LoT -----END PGP SIGNATURE----- Merge tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc fixes: - Fix the NMI watchdog on ancient Intel CPUs - Remove a misguided, NMI-unsafe KASAN callback from the NMI-safe irq_work path used by perf. - Fix uncore events on Ice Lake servers. - Someone booted maxcpus=1 on an SNB-EP, and the uncore driver emitted warnings and was probably buggy. Fix it. - KCSAN found a genuine data race in the core perf code. Somewhat ironically the bug was introduced through a recent race fix. :-/ In our defense, the new race window was much more narrow. Fix it" * tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/nmi_watchdog: Fix old-style NMI watchdog regression on old Intel CPUs irq_work: Make irq_work_queue() NMI-safe again perf/x86/intel/uncore: Fix M2M event umask for Ice Lake server perf/x86/intel/uncore: Fix a kernel WARNING triggered by maxcpus=1 perf: Fix data race between pin_count increment/decrement |
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