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[2001:44b8:1113:6700:7ae:1980:5d6:e77]) by smtp.gmail.com with ESMTPSA id g28sm15116670pfr.120.2021.03.22.16.45.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Mar 2021 16:45:35 -0700 (PDT) From: Daniel Axtens To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 00/10] Move 64e to new interrupt return code In-Reply-To: <20210315031716.3940350-1-npiggin@gmail.com> References: <20210315031716.3940350-1-npiggin@gmail.com> Date: Tue, 23 Mar 2021 10:45:32 +1100 Message-ID: <87im5ibvmr.fsf@dja-thinkpad.axtens.net> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Scott Wood , Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Nick, > Since RFC this is rebased on Christophe's v3 ppc32 conversion, and > has fixed up small details, and then adds some powerpc-wide > cleanups at the end. > > Tested on qemu only (QEMU e500), which is not ideal for interrupt > handling particularly the critical interrupts which I don't know > whether it can generate. I tested this on a T4240RDB with: stress-ng --class interrupts --seq 0 -t 5 There are some problems that occur only when testing with your series. I haven't made any attempt to debug them yet. stress-ng: info: [3101] unsuccessful run completed in 6352.60s (1 hour, 45 mins, 52.60 secs) stress-ng: fail: [3101] aio instance 0 corrupted bogo-ops counter, 7542705 vs 0 stress-ng: fail: [3101] aio instance 0 hash error in bogo-ops counter and run flag, 359866039 vs 0 stress-ng: fail: [3101] aio instance 17 corrupted bogo-ops counter, 7638823 vs 0 stress-ng: fail: [3101] aio instance 17 hash error in bogo-ops counter and run flag, 2001558423 vs 0 stress-ng: fail: [3101] aio instance 30 corrupted bogo-ops counter, 8192545 vs 0 info: 5 failures reached, aborting stress process stress-ng: fail: [3101] aio instance 30 hash error in bogo-ops counter and run flag, 3023200976 vs 0 stress-ng: fail: [3101] pidfd instance 25 corrupted bogo-ops counter, 116476 vs 0 stress-ng: fail: [3101] pidfd instance 25 hash error in bogo-ops counter and run flag, 1964630417 vs 0 stress-ng: fail: [3101] sigabrt instance 3 corrupted bogo-ops counter, 95662 vs 0 stress-ng: fail: [3101] sigabrt instance 3 hash error in bogo-ops counter and run flag, 1321243721 vs 0 stress-ng: fail: [3101] sigabrt instance 9 corrupted bogo-ops counter, 92858 vs 0 stress-ng: fail: [3101] sigabrt instance 9 hash error in bogo-ops counter and run flag, 3835381330 vs 0 stress-ng: fail: [3101] sigabrt instance 11 corrupted bogo-ops counter, 98333 vs 0 stress-ng: fail: [3101] sigabrt instance 11 hash error in bogo-ops counter and run flag, 3447969030 vs 0 stress-ng: fail: [3101] sigabrt instance 14 corrupted bogo-ops counter, 96995 vs 0 stress-ng: fail: [3101] sigabrt instance 14 hash error in bogo-ops counter and run flag, 2621581502 vs 0 stress-ng: fail: [3101] sigabrt instance 16 corrupted bogo-ops counter, 97464 vs 0 stress-ng: fail: [3101] sigabrt instance 16 hash error in bogo-ops counter and run flag, 3422440538 vs 0 stress-ng: fail: [3101] sigabrt instance 19 corrupted bogo-ops counter, 96044 vs 0 stress-ng: fail: [3101] sigabrt instance 19 hash error in bogo-ops counter and run flag, 511989935 vs 0 stress-ng: fail: [3101] sigabrt instance 20 corrupted bogo-ops counter, 96018 vs 0 stress-ng: fail: [3101] sigabrt instance 20 hash error in bogo-ops counter and run flag, 2348631606 vs 0 stress-ng: fail: [3101] sigabrt instance 23 corrupted bogo-ops counter, 95252 vs 0 stress-ng: fail: [3101] sigabrt instance 23 hash error in bogo-ops counter and run flag, 2302430489 vs 0 stress-ng: fail: [3101] sigabrt instance 26 corrupted bogo-ops counter, 99151 vs 0 stress-ng: fail: [3101] sigabrt instance 26 hash error in bogo-ops counter and run flag, 2882282932 vs 0 stress-ng: fail: [3101] sigabrt instance 27 corrupted bogo-ops counter, 95434 vs 0 stress-ng: fail: [3101] sigabrt instance 27 hash error in bogo-ops counter and run flag, 260112434 vs 0 stress-ng: fail: [3101] sigabrt instance 28 corrupted bogo-ops counter, 97138 vs 0 stress-ng: fail: [3101] sigabrt instance 28 hash error in bogo-ops counter and run flag, 2822283734 vs 0 stress-ng: fail: [3101] sigabrt instance 30 corrupted bogo-ops counter, 97728 vs 0 stress-ng: fail: [3101] sigabrt instance 30 hash error in bogo-ops counter and run flag, 738567801 vs 0 stress-ng: fail: [3101] sigabrt instance 31 corrupted bogo-ops counter, 96368 vs 0 stress-ng: fail: [3101] sigabrt instance 31 hash error in bogo-ops counter and run flag, 1663873592 vs 0 stress-ng: fail: [3101] sigio instance 0 corrupted bogo-ops counter, 1141 vs 0 stress-ng: fail: [3101] sigio instance 0 hash error in bogo-ops counter and run flag, 3981634025 vs 0 stress-ng: fail: [3101] sigio instance 1 corrupted bogo-ops counter, 1323 vs 0 stress-ng: fail: [3101] sigio instance 1 hash error in bogo-ops counter and run flag, 2384922462 vs 0 stress-ng: fail: [3101] sigio instance 2 corrupted bogo-ops counter, 876 vs 0 stress-ng: fail: [3101] sigio instance 2 hash error in bogo-ops counter and run flag, 2730635354 vs 0 stress-ng: fail: [3101] sigio instance 3 corrupted bogo-ops counter, 3391 vs 0 stress-ng: fail: [3101] sigio instance 3 hash error in bogo-ops counter and run flag, 3893594528 vs 0 stress-ng: fail: [3101] sigio instance 4 corrupted bogo-ops counter, 988 vs 0 stress-ng: fail: [3101] sigio instance 4 hash error in bogo-ops counter and run flag, 2252189661 vs 0 stress-ng: fail: [3101] sigio instance 5 corrupted bogo-ops counter, 4158 vs 0 stress-ng: fail: [3101] sigio instance 5 hash error in bogo-ops counter and run flag, 908770141 vs 0 stress-ng: fail: [3101] sigio instance 6 corrupted bogo-ops counter, 657 vs 0 stress-ng: fail: [3101] sigio instance 6 hash error in bogo-ops counter and run flag, 3022228667 vs 0 stress-ng: fail: [3101] sigio instance 7 corrupted bogo-ops counter, 239 vs 0 stress-ng: fail: [3101] sigio instance 7 hash error in bogo-ops counter and run flag, 2339545388 vs 0 stress-ng: fail: [3101] sigio instance 8 corrupted bogo-ops counter, 183062 vs 0 stress-ng: fail: [3101] sigio instance 8 hash error in bogo-ops counter and run flag, 2294439106 vs 0 stress-ng: fail: [3101] sigio instance 9 corrupted bogo-ops counter, 946 vs 0 stress-ng: fail: [3101] sigio instance 9 hash error in bogo-ops counter and run flag, 2990832529 vs 0 stress-ng: fail: [3101] sigio instance 10 corrupted bogo-ops counter, 2799 vs 0 stress-ng: fail: [3101] sigio instance 10 hash error in bogo-ops counter and run flag, 1781985030 vs 0 stress-ng: fail: [3101] sigio instance 11 corrupted bogo-ops counter, 2705 vs 0 stress-ng: fail: [3101] sigio instance 11 hash error in bogo-ops counter and run flag, 3301490000 vs 0 stress-ng: fail: [3101] sigio instance 21 corrupted bogo-ops counter, 238787 vs 0 stress-ng: fail: [3101] sigio instance 21 hash error in bogo-ops counter and run flag, 2490210165 vs 0 stress-ng: fail: [3101] sigio instance 28 corrupted bogo-ops counter, 1020 vs 0 stress-ng: fail: [3101] sigio instance 28 hash error in bogo-ops counter and run flag, 3260422232 vs 0 stress-ng: fail: [3101] metrics-check: stressor metrics corrupted, data is compromised It looks like this is paired with some segfaults in dmesg: stress-ng-pidfd[4417]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-pidfd[4417]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-pidfd[4417]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748349]: segfault (11) at 800100 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748349]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748390]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 stress-ng-sigab[3748405]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748405]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748405]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748427]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 stress-ng-sigab[3748376]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] in stress-ng[107e8d000+3000] stress-ng-sigab[3748427]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748376]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748427]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748376]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748460]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748460]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748460]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748434]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748434]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748434]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748367]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748367]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748367]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748349]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 in stress-ng[107e8d000+3000] stress-ng-sigab[3748507]: segfault (11) at 800100 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748390]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748491]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigab[3748491]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748491]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748390]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigab[3748507]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigab[3748507]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 show_signal_msg: 3 callbacks suppressed stress-ng-sigio[2635277]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 stress-ng-sigio[2635278]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 stress-ng-sigio[2635279]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635279]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635279]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635280]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635280]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635280]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635283]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635283]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635283]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635285]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635285]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635285]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635289]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635289]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635289]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 in stress-ng[107e8d000+3000] stress-ng-sigio[2635293]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635293]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635293]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635292]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635292]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635292]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635315]: segfault (11) at 800000 nip 107e8fb14 lr 107e8fb04 code 1 in stress-ng[107e8d000+3000] stress-ng-sigio[2635315]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635315]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 in stress-ng[107e8d000+3000] stress-ng-sigio[2635278]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635277]: code: 7d4903a6 e8490008 4e800421 e8410028 7c691b78 386100ac 912100ac 4bfc3be1 stress-ng-sigio[2635278]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 stress-ng-sigio[2635277]: code: 60000000 812100ac 2c090000 40820014 39200001 993c0940 99280008 In one run, I had problems with a hardware interrupt, but I haven't seen it reoccur so I can't be sure it came from your series: mmc0: Timeout waiting for hardware cmd interrupt. mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00001301 mmc0: sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000 mmc0: sdhci: Argument: 0x00000c00 | Trn mode: 0x00000000 mmc0: sdhci: Present: 0x01f00008 | Host ctl: 0x00000020 mmc0: sdhci: Power: 0x00000000 | Blk gap: 0x00000000 mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x000020e8 mmc0: sdhci: Timeout: 0x00000000 | Int stat: 0x00010001 mmc0: sdhci: Int enab: 0x007f0007 | Sig enab: 0x007f0003 mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00001402 mmc0: sdhci: Caps: 0x04fa0000 | Caps_1: 0x00000000 mmc0: sdhci: Cmd: 0x0000341a | Max curr: 0x00000000 mmc0: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000 mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000 mmc0: sdhci: Host ctl2: 0x00000000 mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000 mmc0: sdhci: ============================================ mmc0: Timeout waiting for hardware cmd interrupt. Let me know if you'd like me to run any further tests. Kind regards, Daniel > > Thanks, > Nick > > Nicholas Piggin (10): > powerpc/syscall: switch user_exit_irqoff and trace_hardirqs_off order > powerpc/64e/interrupt: always save nvgprs on interrupt > powerpc/64e/interrupt: use new interrupt return > powerpc/64e/interrupt: NMI save irq soft-mask state in C > powerpc/64e/interrupt: reconcile irq soft-mask state in C > powerpc/64e/interrupt: Use new interrupt context tracking scheme > powerpc/64e/interrupt: handle bad_page_fault in C > powerpc: clean up do_page_fault > powerpc: remove partial register save logic > powerpc: move norestart trap flag to bit 0 > > arch/powerpc/include/asm/asm-prototypes.h | 2 - > arch/powerpc/include/asm/bug.h | 4 +- > arch/powerpc/include/asm/interrupt.h | 66 ++-- > arch/powerpc/include/asm/ptrace.h | 36 +- > arch/powerpc/kernel/align.c | 6 - > arch/powerpc/kernel/entry_64.S | 40 +- > arch/powerpc/kernel/exceptions-64e.S | 425 ++-------------------- > arch/powerpc/kernel/interrupt.c | 22 +- > arch/powerpc/kernel/irq.c | 76 ---- > arch/powerpc/kernel/process.c | 12 - > arch/powerpc/kernel/ptrace/ptrace-view.c | 21 -- > arch/powerpc/kernel/ptrace/ptrace.c | 2 - > arch/powerpc/kernel/ptrace/ptrace32.c | 4 - > arch/powerpc/kernel/signal_32.c | 3 - > arch/powerpc/kernel/signal_64.c | 2 - > arch/powerpc/kernel/traps.c | 14 +- > arch/powerpc/lib/sstep.c | 4 - > arch/powerpc/mm/book3s64/hash_utils.c | 16 +- > arch/powerpc/mm/fault.c | 28 +- > arch/powerpc/xmon/xmon.c | 23 +- > 20 files changed, 130 insertions(+), 676 deletions(-) > > -- > 2.23.0