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RE: [PATCH v3 3/4] iommufd: Add IOMMU_DEVICE_GET_HW_INFO

by Tian, Kevin

> From: Tian, Kevin > Sent: Friday, May 19, 2023 4:42 PM > > +struct iommu_hw_info { > > + __u32 size; > > + __u32 flags; > > + __u32 dev_id; > > + __u32 data_len; > > + __aligned_u64 data_ptr; > > + __u32 out_data_type; > > + __u32 __reserved; > > it's unusual to have reserved field in the end. It makes more sense > to move data_ptr to the end to make it meaningful. > Please ignore this comment. typed too fast...

2 years, 1 month

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[PATCHv3 net] selftests: fib_tests: mute cleanup error message

by Po-Hsu Lin

In the end of the test, there will be an error message induced by the `ip netns del ns1` command in cleanup() Tests passed: 201 Tests failed: 0 Cannot remove namespace file "/run/netns/ns1": No such file or directory This can even be reproduced with just `./fib_tests.sh -h` as we're calling cleanup() on exit. Redirect the error message to /dev/null to mute it. V2: Update commit message and fixes tag. V3: resubmit due to missing netdev ML in V2 Fixes: b60417a9f2b8 ("selftest: fib_tests: Always cleanup before exit") Signed-off-by: Po-Hsu Lin <po-hsu.lin(a)canonical.com> --- tools/testing/selftests/net/fib_tests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 7da8ec8..35d89df 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -68,7 +68,7 @@ setup() cleanup() { $IP link del dev dummy0 &> /dev/null - ip netns del ns1 + ip netns del ns1 &> /dev/null ip netns del ns2 &> /dev/null } -- 2.7.4

2 years, 1 month

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[PATCH RFC 0/4] Optimize mremap during mutual alignment within PMD

by Joel Fernandes (Google)

Hello, I am posting this as an RFC for any feedback. I have tested them suitably and I am continuing to test them. These patches optimizes the start addresses in move_page_tables(). It addresses a warning [1] that occurs due to a downward, overlapping move on a mutually-aligned offset within a PMD during exec. By initiating the copy process at the PMD level when such alignment is present, we can prevent this warning and speed up the copying process at the same time. Linus Torvalds suggested this idea. Please check the individual patches for more details. thanks, - Joel [1] https://lore.kernel.org/all/ZB2GTBD%2FLWTrkOiO@dhcp22.suse.cz/ Joel Fernandes (Google) (4): mm/mremap: Optimize the start addresses in move_page_tables() selftests: mm: Fix failure case when new remap region was not found selftests: mm: Add a test for mutually aligned moves > PMD size selftests: mm: Add a test for remapping to area immediately after existing mapping mm/mremap.c | 49 +++++++++++++++++ tools/testing/selftests/mm/mremap_test.c | 69 +++++++++++++++++++++--- 2 files changed, 112 insertions(+), 6 deletions(-) -- 2.40.1.606.ga4b1b128d6-goog

2 years, 1 month

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[PATCH 0/2] RISCV: Add KVM_GET_REG_LIST API

by Haibo Xu

KVM_GET_REG_LIST will dump all register IDs that are available to KVM_GET/SET_ONE_REG and It's very useful to identify some platform regression issue during VM migration. Patch 1 enabled the KVM_GET_REG_LIST API in riscv and patch 2 added the corresponding kselftest for checking possible register regressions. Both patches were ported from arm64 and tested with Linux 6.4-rc1 on a Qemu riscv virt machine. Haibo Xu (2): riscv: kvm: Add KVM_GET_REG_LIST API support KVM: selftests: Add riscv get-reg-list test Documentation/virt/kvm/api.rst | 2 +- arch/riscv/kvm/vcpu.c | 346 +++++++ tools/testing/selftests/kvm/Makefile | 3 + .../selftests/kvm/include/riscv/processor.h | 3 + .../selftests/kvm/riscv/get-reg-list.c | 869 ++++++++++++++++++ 5 files changed, 1222 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/kvm/riscv/get-reg-list.c -- 2.34.1

2 years, 1 month

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[PATCHv2 net] selftests: fib_tests: mute cleanup error message

by Po-Hsu Lin

In the end of the test, there will be an error message induced by the `ip netns del ns1` command in cleanup() Tests passed: 201 Tests failed: 0 Cannot remove namespace file "/run/netns/ns1": No such file or directory This can even be reproduced with just `./fib_tests.sh -h` as we're calling cleanup() on exit. Redirect the error message to /dev/null to mute it. V2: Update commit message and fixes tag. Fixes: b60417a9f2b8 ("selftest: fib_tests: Always cleanup before exit") Signed-off-by: Po-Hsu Lin <po-hsu.lin(a)canonical.com> --- tools/testing/selftests/net/fib_tests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 7da8ec8..35d89df 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -68,7 +68,7 @@ setup() cleanup() { $IP link del dev dummy0 &> /dev/null - ip netns del ns1 + ip netns del ns1 &> /dev/null ip netns del ns2 &> /dev/null } -- 2.7.4

2 years, 1 month

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[PATCH v3 0/2] selftests/ftrace: Add tests for kprobes and optimized probes

by Akanksha J N

This patchset adds a stress test for kprobes and a test for checking optimized probes. The two tests are being added based on the below discussion: https://lore.kernel.org/all/20230128101622.ce6f8e64d929e29d36b08b73@kernel.… kprobe_opt_types.tc is modified as per the below review comments: https://lore.kernel.org/all/1682506809.uus6y0ir3i.naveen@linux.ibm.com/#t Changelog: v3: * Add Acked-by for kprobe_insn_boundary.tc * Simplify test for optimized probe, as suggested by Masami * Add exit_unresolved to exit as unresolved in case no probe was optimized v2: * Add an explicit fork after enabling the events ( echo "forked" ) * Remove the extended test from multiple_kprobe_types.tc which adds multiple consecutive probes in a function and add it as a separate test case. * Add new test case which checks for optimized probes. Akanksha J N (2): selftests/ftrace: Add new test case which adds multiple consecutive probes in a function selftests/ftrace: Add new test case which checks for optimized probes .../test.d/kprobe/kprobe_insn_boundary.tc | 19 +++++++++++ .../ftrace/test.d/kprobe/kprobe_opt_types.tc | 34 +++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_insn_boundary.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_opt_types.tc -- 2.31.1

2 years, 1 month

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[PATCH] selftests: fib_tests: mute cleanup error message

by Po-Hsu Lin

In the end of the test, there will be an error message induced by the `ip netns del ns1` command in cleanup() Tests passed: 201 Tests failed: 0 Cannot remove namespace file "/run/netns/ns1": No such file or directory Redirect the error message to /dev/null to mute it. Fixes: a0e11da78f48 ("fib_tests: Add tests for metrics on routes") Signed-off-by: Po-Hsu Lin <po-hsu.lin(a)canonical.com> --- tools/testing/selftests/net/fib_tests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 7da8ec8..35d89df 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -68,7 +68,7 @@ setup() cleanup() { $IP link del dev dummy0 &> /dev/null - ip netns del ns1 + ip netns del ns1 &> /dev/null ip netns del ns2 &> /dev/null } -- 2.7.4

2 years, 1 month

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kselftest/fixes kselftest-seccomp: 2 runs, 1 regressions (linux-kselftest-fixes-6.4-rc3)

by kernelci.org bot

kselftest/fixes kselftest-seccomp: 2 runs, 1 regressions (linux-kselftest-fixes-6.4-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux-kselftest… Test: kselftest-seccomp Tree: kselftest Branch: fixes Describe: linux-kselftest-fixes-6.4-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: dbcf76390eb9a65d5d0c37b0cd57335218564e37 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/64652426a0658315ce2e85e6 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig+kselftest Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-seccomp.login: https://kernelci.org/test/case/id/64652426a0658315ce2e85e7 failing since 141 days (last pass: linux-kselftest-fixes-6.1-rc3-3-g89c1017aac67, first fail: v6.2-rc1)

2 years, 1 month

1
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kselftest/fixes kselftest-livepatch: 2 runs, 2 regressions (linux-kselftest-fixes-6.4-rc3)

by kernelci.org bot

kselftest/fixes kselftest-livepatch: 2 runs, 2 regressions (linux-kselftest-fixes-6.4-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux-kselftest… Test: kselftest-livepatch Tree: kselftest Branch: fixes Describe: linux-kselftest-fixes-6.4-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: dbcf76390eb9a65d5d0c37b0cd57335218564e37 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/6465232b6fb64b151d2e8614 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig+kselftest Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-livepatch.login: https://kernelci.org/test/case/id/6465232b6fb64b151d2e8615 failing since 141 days (last pass: linux-kselftest-fixes-6.1-rc3-3-g89c1017aac67, first fail: v6.2-rc1) platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/64652885005e0850c92e861a Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-livepatch.login: https://kernelci.org/test/case/id/64652885005e0850c92e861b failing since 210 days (last pass: linux-kselftest-fixes-6.0-rc3, first fail: v6.1-rc1-5-gcb05c81ada76)

2 years, 1 month

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kselftest/fixes kselftest-lkdtm: 3 runs, 3 regressions (linux-kselftest-fixes-6.4-rc3)

by kernelci.org bot

kselftest/fixes kselftest-lkdtm: 3 runs, 3 regressions (linux-kselftest-fixes-6.4-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux-kselftest… Test: kselftest-lkdtm Tree: kselftest Branch: fixes Describe: linux-kselftest-fixes-6.4-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: dbcf76390eb9a65d5d0c37b0cd57335218564e37 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/6465241c1999629ee92e862b Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig+kselftest Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/6465241c1999629ee92e862c failing since 211 days (last pass: v6.0-rc1, first fail: v6.1-rc1) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/6465299dd171e4bed72e85fb Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/6465299dd171e4bed72e85fc failing since 210 days (last pass: linux-kselftest-fixes-6.0-rc3, first fail: v6.1-rc1-5-gcb05c81ada76) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/64652d185f6eb5d5842e865c Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… HTML log: https://storage.kernelci.org//kselftest/fixes/linux-kselftest-fixes-6.4-rc3… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023051… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/64652d185f6eb5d5842e865d failing since 210 days (last pass: linux-kselftest-fixes-6.0-rc3, first fail: v6.1-rc1-5-gcb05c81ada76)

2 years, 1 month

1
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