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[203.221.42.190]) by smtp.gmail.com with ESMTPSA id w2-20020a654102000000b005c65ed23b65sm12663631pgp.94.2023.12.16.05.43.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Dec 2023 05:43:18 -0800 (PST) From: Nicholas Piggin To: kvm@vger.kernel.org Subject: [kvm-unit-tests PATCH v5 00/29] powerpc: updates, P10, PNV support Date: Sat, 16 Dec 2023 23:42:27 +1000 Message-ID: <20231216134257.1743345-1-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 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: Laurent Vivier , Thomas Huth , Nico Boehr , Shaoqin Huang , Nicholas Piggin , Andrew Jones , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This has taken quite a while to get right, but I think is getting much better now. There are several semi-related things here: multi-migration support, bugfixing, adding powernv machine, expanding and adding test cases. But I found it easiest to leave it as one series. Multi-migration I added when testing and debugging time migration issues in QEMU, and that has grown to quite a size, I can try to split that out if preferred. Since v4: - Multi migration now seems quite solid, I haven't broken it. Arm64 migration regression reported by Shaoqin is fixed, it was due to an exit status getting lost. - Several other small migration fixes and cleanups that poppedup in testing. - More complete SMP support including IPI for pseries and powernv. - Made powernv a first-class citizen that can do run_tests.sh unit tests (with machine option). - More polished, quiet warnings, skip unsupported tests, etc. - Fix several powerpc bugs that got exposed (.got, stack backtrace, stack alignment). - Added a bunch more tests I've been accumulating, atomics, smp, timebase, interrupts. Note the arm64 psci cpu-on test is flakey with/without this series. Thanks, Nick Nicholas Piggin (29): arch-run: Clean up temporary files properly arch-run: Clean up initrd cleanup migration: use a more robust way to wait for background job migration: Support multiple migrations arch-run: rename migration variables powerpc: Quiet QEMU TCG pseries capability warnings powerpc: Add a migration stress tester powerpc: Require KVM for the TM test powerpc: Fix interrupt stack alignment powerpc/sprs: Specify SPRs with data rather than code powerpc/sprs: Don't fail changed SPRs that are used by the test harness powerpc/sprs: Avoid taking async interrupts caused by register fuzzing powerpc: Make interrupt handler error more readable powerpc: Expand exception handler vector granularity powerpc: Add support for more interrupts including HV interrupts powerpc: Set .got section alignment to 256 bytes powerpc: Discover runtime load address dynamically powerpc: Fix stack backtrace termination scripts: allow machine option to be specified in unittests.cfg scripts: Accommodate powerpc powernv machine differences powerpc: Support powernv machine with QEMU TCG powerpc: Fix emulator illegal instruction test for powernv powerpc/sprs: Test hypervisor registers on powernv machine powerpc: interrupt tests powerpc: Add rtas stop-self support powerpc: add SMP and IPI support powerpc: Avoid using larx/stcx. in spinlocks when only one CPU is running powerpc: Add atomics tests powerpc: Add timebase tests lib/migrate.c | 8 +- lib/migrate.h | 1 + lib/powerpc/asm/ppc_asm.h | 25 ++ lib/powerpc/asm/processor.h | 41 +++ lib/powerpc/asm/rtas.h | 2 + lib/powerpc/asm/setup.h | 3 +- lib/powerpc/asm/smp.h | 24 +- lib/powerpc/hcall.c | 4 +- lib/powerpc/io.c | 27 +- lib/powerpc/io.h | 6 + lib/powerpc/processor.c | 55 ++- lib/powerpc/rtas.c | 78 ++++- lib/powerpc/setup.c | 50 ++- lib/powerpc/smp.c | 270 +++++++++++++-- lib/powerpc/spinlock.c | 28 ++ lib/ppc64/asm/atomic.h | 6 + lib/ppc64/asm/opal.h | 20 ++ lib/ppc64/asm/ptrace.h | 1 + lib/ppc64/asm/spinlock.h | 7 +- lib/ppc64/opal-calls.S | 46 +++ lib/ppc64/opal.c | 76 +++++ powerpc/Makefile.common | 8 +- powerpc/Makefile.ppc64 | 2 + powerpc/atomics.c | 190 +++++++++++ powerpc/cstart64.S | 163 +++++++-- powerpc/emulator.c | 19 +- powerpc/flat.lds | 3 +- powerpc/interrupts.c | 412 +++++++++++++++++++++++ powerpc/migrate.c | 64 ++++ powerpc/run | 39 ++- powerpc/smp.c | 199 +++++++++++ powerpc/sprs.c | 642 +++++++++++++++++++++++++----------- powerpc/timebase.c | 328 ++++++++++++++++++ powerpc/tm.c | 2 +- powerpc/unittests.cfg | 37 +++ scripts/arch-run.bash | 181 +++++++--- scripts/common.bash | 8 +- scripts/runtime.bash | 20 +- 38 files changed, 2736 insertions(+), 359 deletions(-) create mode 100644 lib/powerpc/spinlock.c create mode 100644 lib/ppc64/asm/atomic.h create mode 100644 lib/ppc64/asm/opal.h create mode 100644 lib/ppc64/opal-calls.S create mode 100644 lib/ppc64/opal.c create mode 100644 powerpc/atomics.c create mode 100644 powerpc/interrupts.c create mode 100644 powerpc/migrate.c create mode 100644 powerpc/smp.c create mode 100644 powerpc/timebase.c