- Linux-kselftest-mirror - lists.linaro.org

[V4 PATCH 0/3] Minor improvements to the selftest setup logic

by Vishal Annapurve

This series is posted in context of the discussion at: https://lore.kernel.org/lkml/Ywa9T+jKUpaHLu%2Fl@google.com/ Major changes: 1) Move common startup logic to a single function in kvm_util.c 2) Introduce following APIs: kvm_selftest_arch_init: to perform arch specific common startup. kvm_arch_vm_post_create: to perform arch specific common setup after VM creation. Changelog ========= v4: * Removed the patch to precompute cpu type, will be introduced as part of a separate series in future. v3: * Original series is split into two and this v3 version contains the improvements to selftest and VM setup. * Planning to upload the second series to execute hypercall instruction according to cpu type separately. * Addressed comments from David and Sean. link to v3: https://lore.kernel.org/lkml/20221013121319.994170-1-vannapurve@google.com/ v2: * Addressed comments from Andrew and David * Common function with constructor attribute used to setup initial state * Changes are split in more logical granules as per feedback link to v2: https://lore.kernel.org/all/20220915000448.1674802-1-vannapurve@google.com/ Vishal Annapurve (3): KVM: selftests: move common startup logic to kvm_util.c KVM: selftests: Add arch specific initialization KVM: selftests: Add arch specific post vm creation hook .../selftests/kvm/aarch64/arch_timer.c | 3 --- .../selftests/kvm/aarch64/hypercalls.c | 2 -- .../testing/selftests/kvm/aarch64/vgic_irq.c | 3 --- .../selftests/kvm/include/kvm_util_base.h | 9 ++++++++ .../selftests/kvm/lib/aarch64/processor.c | 18 ++++++++-------- tools/testing/selftests/kvm/lib/kvm_util.c | 21 ++++++++++++++++--- .../selftests/kvm/lib/x86_64/processor.c | 6 ++++++ .../testing/selftests/kvm/memslot_perf_test.c | 3 --- tools/testing/selftests/kvm/rseq_test.c | 3 --- tools/testing/selftests/kvm/s390x/memop.c | 2 -- tools/testing/selftests/kvm/s390x/resets.c | 2 -- .../selftests/kvm/s390x/sync_regs_test.c | 3 --- .../selftests/kvm/set_memory_region_test.c | 3 --- .../kvm/x86_64/cr4_cpuid_sync_test.c | 3 --- .../kvm/x86_64/emulator_error_test.c | 3 --- .../selftests/kvm/x86_64/hyperv_cpuid.c | 3 --- .../selftests/kvm/x86_64/platform_info_test.c | 3 --- .../kvm/x86_64/pmu_event_filter_test.c | 3 --- .../selftests/kvm/x86_64/set_sregs_test.c | 3 --- .../kvm/x86_64/svm_nested_soft_inject_test.c | 3 --- .../selftests/kvm/x86_64/sync_regs_test.c | 3 --- .../selftests/kvm/x86_64/userspace_io_test.c | 3 --- .../kvm/x86_64/userspace_msr_exit_test.c | 3 --- 23 files changed, 42 insertions(+), 66 deletions(-) -- 2.38.1.431.g37b22c650d-goog

2 years, 7 months

2
9
0 0

[PATCH bpf-next] selftests/bpf: Fix error undeclared identifier 'NF_NAT_MANIP_SRC'

by Rong Tao

From: Rong Tao <rongtao(a)cestc.cn> commit 472caa69183f("netfilter: nat: un-export nf_nat_used_tuple") introduce NF_NAT_MANIP_SRC/DST enum in include/net/netfilter/nf_nat.h, and commit b06b45e82b59("selftests/bpf: add tests for bpf_ct_set_nat_info kfunc") use NF_NAT_MANIP_SRC/DST in test_bpf_nf.c. We copy enum nf_nat_manip_type to test_bpf_nf.c fix this error. How to reproduce the error: $ make -C tools/testing/selftests/bpf/ ... CLNG-BPF [test_maps] test_bpf_nf.bpf.o error: use of undeclared identifier 'NF_NAT_MANIP_SRC' bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC); ^ error: use of undeclared identifier 'NF_NAT_MANIP_DST' bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST); ^ 2 errors generated. Link: https://lore.kernel.org/lkml/202210280447.STsT1gvq-lkp@intel.com/ Reported-by: kernel test robot <lkp(a)intel.com> Signed-off-by: Rong Tao <rongtao(a)cestc.cn> --- tools/testing/selftests/bpf/progs/test_bpf_nf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c index 227e85e85dda..307ca166ff34 100644 --- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c +++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c @@ -3,6 +3,11 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_endian.h> +enum nf_nat_manip_type { + NF_NAT_MANIP_SRC, + NF_NAT_MANIP_DST +}; + #define EAFNOSUPPORT 97 #define EPROTO 71 #define ENONET 64 -- 2.31.1

2 years, 7 months

5
7
0 0

[PATCH linux-next] selftests/vm: add CATEGORY for ksm_functional_tests

by Joel Savitz

commit e080ceaa69c1 ("selftests/vm: add KSM unmerge tests") in linux-next adds an entry to run_vmtests.sh. I recently submitted commit b5ba705c2608 ("selftests/vm: enable running select groups of tests") to linux-next which categorizes tests by functionality in order to allow more precise selection of which tests are to be run. Since this newest test targets ksm and does not require more than one numa node, add 'CATEGORY="ksm"' to the invocation to group this test with the other ksm tests. Signed-off-by: Joel Savitz <jsavitz(a)redhat.com> --- tools/testing/selftests/vm/run_vmtests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh index af35dd3bc589..fff00bb77086 100755 --- a/tools/testing/selftests/vm/run_vmtests.sh +++ b/tools/testing/selftests/vm/run_vmtests.sh @@ -252,7 +252,7 @@ CATEGORY="ksm_numa" run_test ./ksm_tests -N -m 1 # KSM test with 2 NUMA nodes and merge_across_nodes = 0 CATEGORY="ksm_numa" run_test ./ksm_tests -N -m 0 -run_test ./ksm_functional_tests +CATEGORY="ksm" run_test ./ksm_functional_tests # protection_keys tests if [ -x ./protection_keys_32 ] -- 2.31.1

2 years, 7 months

2
1
0 0

[PATCH v2 0/9] KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg

by Janis Schoetterl-Glausch

User space can use the MEM_OP ioctl to make storage key checked reads and writes to the guest, however, it has no way of performing atomic, key checked, accesses to the guest. Extend the MEM_OP ioctl in order to allow for this, by adding a cmpxchg mode. For now, support this mode for absolute accesses only. This mode can be use, for example, to set the device-state-change indicator and the adapter-local-summary indicator atomically. Also contains some fixes/changes for the memop selftest independent of the cmpxchg changes. v1 -> v2 * get rid of xrk instruction for cmpxchg byte and short implementation * pass old parameter via pointer instead of in mem_op struct * indicate failure of cmpxchg due to wrong old value by special return code * picked up R-b's (thanks Thomas) Janis Schoetterl-Glausch (9): s390/uaccess: Add storage key checked cmpxchg access to user space KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG KVM: s390: selftest: memop: Pass mop_desc via pointer KVM: s390: selftest: memop: Replace macros by functions KVM: s390: selftest: memop: Add cmpxchg tests KVM: s390: selftest: memop: Add bad address test KVM: s390: selftest: memop: Fix typo KVM: s390: selftest: memop: Fix wrong address being used in test Documentation/virt/kvm/api.rst | 21 +- include/uapi/linux/kvm.h | 5 + arch/s390/include/asm/uaccess.h | 189 ++++++ arch/s390/kvm/gaccess.h | 4 + arch/s390/kvm/gaccess.c | 57 ++ arch/s390/kvm/kvm-s390.c | 35 +- tools/testing/selftests/kvm/s390x/memop.c | 674 +++++++++++++++++----- 7 files changed, 833 insertions(+), 152 deletions(-) Range-diff against v1: 1: 7b4392170faa ! 1: 58adf2b7688a s390/uaccess: Add storage key checked cmpxchg access to user space @@ arch/s390/include/asm/uaccess.h: do { \ + unsigned __int128 *old_p, + unsigned __int128 new, u8 access_key) +{ -+ u32 shift, mask, old_word, new_word, align_mask, tmp, diff; ++ u32 shift, mask, old_word, new_word, align_mask, tmp; + u64 aligned; + int ret = -EFAULT; + @@ arch/s390/include/asm/uaccess.h: do { \ + new_word = ((u8)new) << shift; + break; + } ++ tmp = old_word; /* don't modify *old_p on fault */ + asm volatile( + "spka 0(%[access_key])\n" + " sacf 256\n" + "0: l %[tmp],%[aligned]\n" -+ "1: nr %[tmp],%[hole_mask]\n" ++ "1: nr %[tmp],%[mask]\n" ++ " xilf %[mask],0xffffffff\n" + " or %[new_word],%[tmp]\n" -+ " or %[old_word],%[tmp]\n" -+ " lr %[tmp],%[old_word]\n" -+ "2: cs %[tmp],%[new_word],%[aligned]\n" -+ "3: jnl 4f\n" -+ " xrk %[diff],%[tmp],%[old_word]\n" -+ " nr %[diff],%[hole_mask]\n" -+ " xr %[new_word],%[diff]\n" -+ " xr %[old_word],%[diff]\n" -+ " xrk %[diff],%[tmp],%[old_word]\n" ++ " or %[tmp],%[old_word]\n" ++ "2: lr %[old_word],%[tmp]\n" ++ "3: cs %[tmp],%[new_word],%[aligned]\n" ++ "4: jnl 5f\n" ++ /* We'll restore old_word before the cs, use reg for the diff */ ++ " xr %[old_word],%[tmp]\n" ++ /* Apply diff assuming only bits outside target byte(s) changed */ ++ " xr %[new_word],%[old_word]\n" ++ /* If prior assumption false we exit loop, so not an issue */ ++ " nr %[old_word],%[mask]\n" + " jz 2b\n" -+ "4: ipm %[ret]\n" ++ "5: ipm %[ret]\n" + " srl %[ret],28\n" -+ "5: sacf 768\n" ++ "6: sacf 768\n" + " spka %[default_key]\n" -+ EX_TABLE(0b, 5b) EX_TABLE(1b, 5b) -+ EX_TABLE(2b, 5b) EX_TABLE(3b, 5b) ++ EX_TABLE(0b, 6b) EX_TABLE(1b, 6b) ++ EX_TABLE(3b, 6b) EX_TABLE(4b, 6b) + : [old_word] "+&d" (old_word), + [new_word] "+&d" (new_word), -+ [tmp] "=&d" (tmp), ++ [tmp] "+&d" (tmp), + [aligned] "+Q" (*(u32 *)aligned), -+ [diff] "=&d" (diff), + [ret] "+d" (ret) + : [access_key] "a" (access_key << 4), -+ [hole_mask] "d" (~mask), ++ [mask] "d" (~mask), + [default_key] "J" (PAGE_DEFAULT_KEY) + : "cc" + ); @@ arch/s390/include/asm/uaccess.h: do { \ + * cmpxchg_user_key_size() - cmpxchg with user space target, honoring storage keys + * @size: Size of the value being cmpxchg'ed, one of 1,2,4,8,16. + * @address: User space address of value to compare to *@old_p and exchange with -+ * *@new. Must be aligned to @size. ++ * @new. Must be aligned to @size. + * @old_p: Pointer to old value. Interpreted as a @size byte integer and compared + * to the content pointed to by @address in order to determine if the + * exchange occurs. The value read from @address is written back to *@old_p. 2: 80e3fda3d2af ! 2: c6731b0063ab KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg @@ Commit message Signed-off-by: Janis Schoetterl-Glausch <scgl(a)linux.ibm.com> ## include/uapi/linux/kvm.h ## -@@ include/uapi/linux/kvm.h: struct kvm_translation { - struct kvm_s390_mem_op { - /* in */ - __u64 gaddr; /* the guest address */ -+ /* in & out */ - __u64 flags; /* flags */ -+ /* in */ - __u32 size; /* amount of bytes */ - __u32 op; /* type of operation */ - __u64 buf; /* buffer in userspace */ @@ include/uapi/linux/kvm.h: struct kvm_s390_mem_op { struct { __u8 ar; /* the access register number */ __u8 key; /* access key, ignored if flag unset */ -+ /* in & out */ -+ __u64 old[2]; /* ignored if flag unset */ ++ __u8 pad1[6]; /* ignored */ ++ __u64 old_p; /* ignored if flag unset */ }; __u32 sida_offset; /* offset into the sida */ __u8 reserved[32]; /* ignored */ @@ include/uapi/linux/kvm.h: struct kvm_s390_mem_op { #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) +#define KVM_S390_MEMOP_F_CMPXCHG (1ULL << 3) ++/* Non program exception return codes (pgm codes are 16 bit) */ ++#define KVM_S390_MEMOP_R_NO_XCHG ((1 << 16) + 0) /* for KVM_INTERRUPT */ struct kvm_interrupt { @@ arch/s390/kvm/gaccess.c: int access_guest_real(struct kvm_vcpu *vcpu, unsigned l + if (kvm_is_error_hva(hva)) + return PGM_ADDRESSING; + /* -+ * Check if it's a ro memslot, even tho that can't occur (they're unsupported). ++ * Check if it's a read-only memslot, even though that cannot occur ++ * since those are unsupported. + * Don't try to actually handle that case. + */ + if (!writable) @@ arch/s390/kvm/gaccess.c: int access_guest_real(struct kvm_vcpu *vcpu, unsigned l + ret = cmpxchg_user_key_size(len, (void __user *)hva, old_p, new, access_key); + mark_page_dirty_in_slot(kvm, slot, gfn); + /* -+ * Assume that the fault is caused by key protection, the alternative -+ * is that the user page is write protected. ++ * Assume that the fault is caused by protection, either key protection ++ * or user page write protection. + */ + if (ret == -EFAULT) + ret = PGM_PROTECTION; @@ arch/s390/kvm/kvm-s390.c: int kvm_vm_ioctl_check_extension(struct kvm *kvm, long r = MEM_OP_MAX_SIZE; break; + case KVM_CAP_S390_MEM_OP_EXTENSION: ++ /* ++ * Flag bits indicating which extensions are supported. ++ * The first extension doesn't use a flag, but pretend it does, ++ * this way that can be changed in the future. ++ */ + r = 0x3; + break; case KVM_CAP_NR_VCPUS: case KVM_CAP_MAX_VCPUS: case KVM_CAP_MAX_VCPU_ID: @@ arch/s390/kvm/kvm-s390.c: static bool access_key_invalid(u8 access_key) - return access_key > 0xf; - } - --static int kvm_s390_vm_mem_op(struct kvm *kvm, struct kvm_s390_mem_op *mop) -+static int kvm_s390_vm_mem_op(struct kvm *kvm, struct kvm_s390_mem_op *mop, bool *modified) + static int kvm_s390_vm_mem_op(struct kvm *kvm, struct kvm_s390_mem_op *mop) { void __user *uaddr = (void __user *)mop->buf; -+ unsigned __int128 old; ++ void __user *old_p = (void __user *)mop->old_p; + union { + unsigned __int128 quad; + char raw[sizeof(unsigned __int128)]; -+ } new = { .quad = 0 }; ++ } old = { .quad = 0}, new = { .quad = 0 }; ++ unsigned int off_in_quad = sizeof(unsigned __int128) - mop->size; u64 supported_flags; void *tmpbuf = NULL; int r, srcu_idx; -+ *modified = false; supported_flags = KVM_S390_MEMOP_F_SKEY_PROTECTION - | KVM_S390_MEMOP_F_CHECK_ONLY; + | KVM_S390_MEMOP_F_CHECK_ONLY @@ arch/s390/kvm/kvm-s390.c: static int kvm_s390_vm_mem_op(struct kvm *kvm, struct + if (mop->flags & KVM_S390_MEMOP_F_CMPXCHG) { + if (mop->size > sizeof(new)) + return -EINVAL; -+ if (copy_from_user(&new.raw[sizeof(new) - mop->size], uaddr, mop->size)) ++ /* off_in_quad has been validated */ ++ if (copy_from_user(&new.raw[off_in_quad], uaddr, mop->size)) ++ return -EFAULT; ++ if (copy_from_user(&old.raw[off_in_quad], old_p, mop->size)) + return -EFAULT; -+ memcpy(&old, mop->old, sizeof(old)); + } if (!(mop->flags & KVM_S390_MEMOP_F_CHECK_ONLY)) { tmpbuf = vmalloc(mop->size); @@ arch/s390/kvm/kvm-s390.c: static int kvm_s390_vm_mem_op(struct kvm *kvm, struct r = check_gpa_range(kvm, mop->gaddr, mop->size, GACC_STORE, mop->key); + } else if (mop->flags & KVM_S390_MEMOP_F_CMPXCHG) { + r = cmpxchg_guest_abs_with_key(kvm, mop->gaddr, mop->size, -+ &old, new.quad, mop->key); -+ if (!r) { -+ mop->flags &= ~KVM_S390_MEMOP_F_CMPXCHG; -+ } else if (r == 1) { -+ memcpy(mop->old, &old, sizeof(old)); -+ r = 0; ++ &old.quad, new.quad, mop->key); ++ if (r == 1) { ++ r = KVM_S390_MEMOP_R_NO_XCHG; ++ if (copy_to_user(old_p, &old.raw[off_in_quad], mop->size)) ++ r = -EFAULT; + } -+ *modified = true; } else { if (copy_from_user(tmpbuf, uaddr, mop->size)) { r = -EFAULT; -@@ arch/s390/kvm/kvm-s390.c: long kvm_arch_vm_ioctl(struct file *filp, - } - case KVM_S390_MEM_OP: { - struct kvm_s390_mem_op mem_op; -+ bool modified; - -- if (copy_from_user(&mem_op, argp, sizeof(mem_op)) == 0) -- r = kvm_s390_vm_mem_op(kvm, &mem_op); -- else -+ r = copy_from_user(&mem_op, argp, sizeof(mem_op)); -+ if (r) { - r = -EFAULT; -+ break; -+ } -+ r = kvm_s390_vm_mem_op(kvm, &mem_op, &modified); -+ if (r) -+ break; -+ if (modified) { -+ r = copy_to_user(argp, &mem_op, sizeof(mem_op)); -+ if (r) { -+ r = -EFAULT; -+ break; -+ } -+ } - break; - } - case KVM_S390_ZPCI_OP: { 3: cf036cd58aff < -: ------------ Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG -: ------------ > 3: 6cb32b244899 Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG 4: e1d25110a983 ! 4: 5f1217ad9d31 KVM: s390: selftest: memop: Pass mop_desc via pointer @@ Commit message The struct is quite large, so this seems nicer. Signed-off-by: Janis Schoetterl-Glausch <scgl(a)linux.ibm.com> + Reviewed-by: Thomas Huth <thuth(a)redhat.com> ## tools/testing/selftests/kvm/s390x/memop.c ## @@ tools/testing/selftests/kvm/s390x/memop.c: struct mop_desc { 5: e02924290577 = 5: 86a15b53846a KVM: s390: selftest: memop: Replace macros by functions 7: de6ac5a125e2 ! 6: 49e67d7559de KVM: s390: selftest: memop: Add cmpxchg tests @@ tools/testing/selftests/kvm/s390x/memop.c: static struct kvm_s390_mem_op ksmo_fr } + if (desc->old) { + ksmo.flags |= KVM_S390_MEMOP_F_CMPXCHG; -+ switch (ksmo.size) { -+ case 1: -+ ksmo.old[1] = *(uint8_t *)desc->old; -+ break; -+ case 2: -+ ksmo.old[1] = *(uint16_t *)desc->old; -+ break; -+ case 4: -+ ksmo.old[1] = *(uint32_t *)desc->old; -+ break; -+ case 8: -+ ksmo.old[1] = *(uint64_t *)desc->old; -+ break; -+ case 16: -+ memcpy(ksmo.old, desc->old, sizeof(ksmo.old)); -+ break; -+ } ++ ksmo.old_p = (uint64_t)desc->old; + } if (desc->_ar) ksmo.ar = desc->ar; else -@@ tools/testing/selftests/kvm/s390x/memop.c: static struct kvm_s390_mem_op ksmo_from_desc(const struct mop_desc *desc) - return ksmo; - } - -+static void cmpxchg_write_back(struct kvm_s390_mem_op *ksmo, struct mop_desc *desc) -+{ -+ if (desc->old) { -+ switch (ksmo->size) { -+ case 1: -+ *(uint8_t *)desc->old = ksmo->old[1]; -+ break; -+ case 2: -+ *(uint16_t *)desc->old = ksmo->old[1]; -+ break; -+ case 4: -+ *(uint32_t *)desc->old = ksmo->old[1]; -+ break; -+ case 8: -+ *(uint64_t *)desc->old = ksmo->old[1]; -+ break; -+ case 16: -+ memcpy(desc->old, ksmo->old, sizeof(ksmo->old)); -+ break; -+ } -+ } -+ if (desc->cmpxchg_success) -+ *desc->cmpxchg_success = !(ksmo->flags & KVM_S390_MEMOP_F_CMPXCHG); -+} -+ - struct test_info { - struct kvm_vm *vm; - struct kvm_vcpu *vcpu; @@ tools/testing/selftests/kvm/s390x/memop.c: static void print_memop(struct kvm_vcpu *vcpu, const struct kvm_s390_mem_op *ksm printf("ABSOLUTE, WRITE, "); break; } - printf("gaddr=%llu, size=%u, buf=%llu, ar=%u, key=%u", - ksmo->gaddr, ksmo->size, ksmo->buf, ksmo->ar, ksmo->key); -+ printf("gaddr=%llu, size=%u, buf=%llu, ar=%u, key=%u, old[0]=%llu, old[1]=%llu", ++ printf("gaddr=%llu, size=%u, buf=%llu, ar=%u, key=%u, old_p=%llx", + ksmo->gaddr, ksmo->size, ksmo->buf, ksmo->ar, ksmo->key, -+ ksmo->old[0], ksmo->old[1]); ++ ksmo->old_p); if (ksmo->flags & KVM_S390_MEMOP_F_CHECK_ONLY) printf(", CHECK_ONLY"); if (ksmo->flags & KVM_S390_MEMOP_F_INJECT_EXCEPTION) @@ tools/testing/selftests/kvm/s390x/memop.c: static void print_memop(struct kvm_vc } -static void memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo) -+static void memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo, -+ struct mop_desc *desc) ++static int err_memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo, ++ struct mop_desc *desc) { struct kvm_vcpu *vcpu = info.vcpu; -@@ tools/testing/selftests/kvm/s390x/memop.c: static void memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo) - vm_ioctl(info.vm, KVM_S390_MEM_OP, ksmo); + if (!vcpu) +- vm_ioctl(info.vm, KVM_S390_MEM_OP, ksmo); ++ return __vm_ioctl(info.vm, KVM_S390_MEM_OP, ksmo); else - vcpu_ioctl(vcpu, KVM_S390_MEM_OP, ksmo); -+ cmpxchg_write_back(ksmo, desc); +- vcpu_ioctl(vcpu, KVM_S390_MEM_OP, ksmo); ++ return __vcpu_ioctl(vcpu, KVM_S390_MEM_OP, ksmo); } -static int err_memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo) -+static int err_memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo, -+ struct mop_desc *desc) ++static void memop_ioctl(struct test_info info, struct kvm_s390_mem_op *ksmo, ++ struct mop_desc *desc) { - struct kvm_vcpu *vcpu = info.vcpu; +- struct kvm_vcpu *vcpu = info.vcpu; + int r; ++ ++ r = err_memop_ioctl(info, ksmo, desc); ++ if (ksmo->flags & KVM_S390_MEMOP_F_CMPXCHG) { ++ if (desc->cmpxchg_success) ++ *desc->cmpxchg_success = !r; ++ if (r == KVM_S390_MEMOP_R_NO_XCHG) ++ r = 0; ++ } ++ TEST_ASSERT(!r, __KVM_IOCTL_ERROR("KVM_S390_MEM_OP", r)); - if (!vcpu) +- if (!vcpu) - return __vm_ioctl(info.vm, KVM_S390_MEM_OP, ksmo); -+ r = __vm_ioctl(info.vm, KVM_S390_MEM_OP, ksmo); - else +- else - return __vcpu_ioctl(vcpu, KVM_S390_MEM_OP, ksmo); -+ r = __vcpu_ioctl(vcpu, KVM_S390_MEM_OP, ksmo); -+ cmpxchg_write_back(ksmo, desc); -+ return r; } #define MEMOP(err, info_p, mop_target_p, access_mode_p, buf_p, size_p, ...) \ 6: f4ce20cd7eff = 7: faad9cf03ea6 KVM: s390: selftest: memop: Add bad address test 8: 0bad86fd6183 ! 8: 8070036aa89a KVM: s390: selftest: memop: Fix typo @@ Metadata ## Commit message ## KVM: s390: selftest: memop: Fix typo + "acceeded" isn't a word, should be "exceeded". + Signed-off-by: Janis Schoetterl-Glausch <scgl(a)linux.ibm.com> + Reviewed-by: Thomas Huth <thuth(a)redhat.com> ## tools/testing/selftests/kvm/s390x/memop.c ## @@ tools/testing/selftests/kvm/s390x/memop.c: static void test_errors_key_fetch_prot_override_enabled(void) 9: 7a1e9cb79bbb = 9: 18c423e4e3ad KVM: s390: selftest: memop: Fix wrong address being used in test base-commit: 4fe89d07dcc2804c8b562f6c7896a45643d34b2f -- 2.34.1

2 years, 7 months

4
29
0 0

Re: [PATCH linux-next] selftests/vm: calculate variables in correct order

by Joel Savitz

On Wed, Nov 16, 2022 at 8:09 PM Joel Savitz <jsavitz(a)redhat.com> wrote: > > On Tue, Nov 8, 2022 at 8:31 PM Andrew Morton <akpm(a)linux-foundation.org> wrote: >> >> On Fri, 28 Oct 2022 09:26:40 -0400 Joel Savitz <jsavitz(a)redhat.com> wrote: >> >> > commit b5ba705c2608 ("selftests/vm: enable running select groups of tests") >> > unintentionally reversed the ordering of some of the lines of >> > run_vmtests.sh that calculate values based on system configuration. >> > Importantly, $hpgsize_MB is determined from $hpgsize_KB, but this later >> > value is not read from /proc/meminfo until later, causing userfaultfd >> > tests to incorrectly fail since $half_ufd_size_MB will always be 0. >> > >> > Switch these statements around into proper order to fix the invocation >> > of the userfaultfd tests that use $half_ufd_size_MB. >> >> Does this fix address the failure in >> https://lkml.kernel.org/r/202211021026.61b267d1-yujie.liu@intel.com? >> >> Thanks. >> > > I have tried to reproduce this failure on a couple of different systems before and after the application of this commit but I haven't had any success in doing so. I suspect that there was some sort of hugepage configuration issue on the test system but I'd have to look into it more to be sure. > > However, I noticed that on the mm-everything branch, the hugepage-mmap test fails: > > # ./run_vmtests.sh -t "hugetlb" > running: ./hugepage-mmap > ----------------------- > running ./hugepage-mmap > ----------------------- > Open failed: No such file or directory > [FAIL] > ... > > It appears this is due to commit 0796c7b8be84 ("selftests/vm: drop mnt point for hugetlb in run_vmtests.sh") > as the test still replies on the ./huge mountpoint removed in that commit. The test passes before that patchset is applied. > > Additionally, I just noticed an extraneous 'echo "running: $1"' line in run_test(), the effects of which are seen above, and I have just sent a patch to remove it. > > Joel Resending this reply since it appears a bit of HTML slipped into the last reply and it got rejected by the lists.

2 years, 7 months

1
0
0 0

[PATCH v7 0/6] x86/fpu: Allow PKRU to be (once again) written by ptrace

by Kyle Huey

Hi. Following last week's discussion I've reorganized this patch. The goal remains to restore the pre-5.14 behavior of ptrace(PTRACE_SET_REGSET, NT_X86_XSTATE) for the PKRU register (which was equivalent to a hardware XRSTOR instruction). There are three different kernel APIs that write PKRU: 1. sigreturn 2. PTRACE_SET_REGSET with NT_X86_XSTATE 3. KVM_SET_XSAVE sigreturn restores PKRU from the fpstate and works as expected today. PTRACE_SET_REGSET restores PKRU from the thread_struct's pkru member and doesn't work at all. KVM_SET_XSAVE restores PKRU from the vcpu's pkru member and honors changes to the PKRU value in the XSAVE region but does not honor clearing the PKRU bit in the xfeatures mask. The KVM maintainers do not want to change the KVM behavior at the current time, however, so this quirk survives after this patch set. All three APIs ultimately call into copy_uabi_to_xstate(). Part 3 adds an argument to that function that is used to pass in a pointer to either the thread_struct's pkru or the vcpu's PKRU, for sigreturn/PTRACE_SET_REGSET or KVM_SET_XSAVE respectively. While this isn't strictly necessary for sigreturn, it makes part 5 easier. Parts 1 and 2 refactor the various callers of copy_uabi_to_xstate() to make that possible. Part 4 moves the existing KVM-specific PKRU handling in fpu_copy_uabi_to_guest_fpstate() to copy_uabi_to_xstate() where it is now shared amongst all three APIs. This is a no-op for sigreturn (which restores PKRU from the fpstate anyways) and KVM but it changes the PTRACE_SET_REGSET behavior to match KVM_SET_XSAVE. Part 5 emulates the hardware XRSTOR behavior where PKRU is reset to the hardware init value if the PKRU bit in the xfeatures mask is clear. KVM is excluded from this emulation by passing a NULL pkru slot pointer to copy_uabi_to_xstate() in this case. Passing in a pointer to the thread_struct's PKRU slot for sigreturn (even though sigreturn won't restore PKRU from that location) allows distinguishing KVM here. This changes the PTRACE_SET_REGSET behavior to fully match sigreturn. Part 6 is the self test that remains unchanged from v3 of this patchset. At no point in this patch set is the user-visible behavior of sigreturn or KVM_SET_XSAVE changed. Changelog since v6: - v6's part 1/2 is now split into parts 1 through 5. - v6's part 2/2 is now part 6. - Various style comments addressed. Changelog since v5: - Avoids a second copy from the uabi buffer as suggested. - Preserves old KVM_SET_XSAVE behavior where leaving the PKRU bit in the XSTATE header results in PKRU remaining unchanged instead of reinitializing it. - Fixed up patch metadata as requested. Changelog since v4: - Selftest additionally checks PKRU readbacks through ptrace. - Selftest flips all PKRU bits (except the default key). Changelog since v3: - The v3 patch is now part 1 of 2. - Adds a selftest in part 2 of 2. Changelog since v2: - Removed now unused variables in fpu_copy_uabi_to_guest_fpstate Changelog since v1: - Handles the error case of copy_to_buffer().

2 years, 7 months

2
8
0 0

[PATCH mm-everything] selftests/vm: remove extraneous echo

by Joel Savitz

There is an extra echo statement in run_test(). Remove it. Fixes: 98b3add737b4 ("selftests/vm: enable running select groups of tests") Signed-off-by: Joel Savitz <jsavitz(a)redhat.com> --- tools/testing/selftests/vm/run_vmtests.sh | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh index ce52e4f5ff21..9236010faaaa 100755 --- a/tools/testing/selftests/vm/run_vmtests.sh +++ b/tools/testing/selftests/vm/run_vmtests.sh @@ -142,7 +142,6 @@ echo "$ARCH64STR" | grep "$ARCH" &>/dev/null && VADDR64=1 # Usage: run_test [test binary] [arbitrary test arguments...] run_test() { if test_selected ${CATEGORY}; then - echo "running: $1" local title="running $*" local sep=$(echo -n "$title" | tr "[:graph:][:space:]" -) printf "%s\n%s\n%s\n" "$sep" "$title" "$sep" -- 2.38.1

2 years, 7 months

1
0
0 0

[PATCH v1 1/2] kunit: improve KTAP compliance of KUnit test output

by Rae Moar

Change KUnit test output to comply with KTAP version 1 specifications found here: https://kernel.org/doc/html/latest/dev-tools/ktap.html. 1) Use "KTAP version 1" instead of "TAP version 14" as test output header 2) Remove '-' between test number and test name on test result lines 2) Add KTAP version lines to each subtest header as well Original output: TAP version 14 1..1 # Subtest: kunit-test-suite 1..3 ok 1 - kunit_test_1 ok 2 - kunit_test_2 ok 3 - kunit_test_3 # kunit-test-suite: pass:3 fail:0 skip:0 total:3 # Totals: pass:3 fail:0 skip:0 total:3 ok 1 - kunit-test-suite New output: KTAP version 1 1..1 # Subtest: kunit-test-suite KTAP version 1 1..3 ok 1 kunit_test_1 ok 2 kunit_test_2 ok 3 kunit_test_3 # kunit-test-suite: pass:3 fail:0 skip:0 total:3 # Totals: pass:3 fail:0 skip:0 total:3 ok 1 kunit-test-suite Signed-off-by: Rae Moar <rmoar(a)google.com> --- lib/kunit/executor.c | 6 +++--- lib/kunit/test.c | 5 +++-- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index 9bbc422c284b..74982b83707c 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -166,7 +166,7 @@ static void kunit_exec_run_tests(struct suite_set *suite_set) { size_t num_suites = suite_set->end - suite_set->start; - pr_info("TAP version 14\n"); + pr_info("KTAP version 1\n"); pr_info("1..%zu\n", num_suites); __kunit_test_suites_init(suite_set->start, num_suites); @@ -177,8 +177,8 @@ static void kunit_exec_list_tests(struct suite_set *suite_set) struct kunit_suite * const *suites; struct kunit_case *test_case; - /* Hack: print a tap header so kunit.py can find the start of KUnit output. */ - pr_info("TAP version 14\n"); + /* Hack: print a ktap header so kunit.py can find the start of KUnit output. */ + pr_info("KTAP version 1\n"); for (suites = suite_set->start; suites < suite_set->end; suites++) kunit_suite_for_each_test_case((*suites), test_case) { diff --git a/lib/kunit/test.c b/lib/kunit/test.c index 90640a43cf62..b541d59a05c3 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -151,6 +151,7 @@ static void kunit_print_suite_start(struct kunit_suite *suite) { kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "# Subtest: %s", suite->name); + kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "KTAP version 1\n"); kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "1..%zd", kunit_suite_num_test_cases(suite)); } @@ -175,13 +176,13 @@ static void kunit_print_ok_not_ok(void *test_or_suite, * representation. */ if (suite) - pr_info("%s %zd - %s%s%s\n", + pr_info("%s %zd %s%s%s\n", kunit_status_to_ok_not_ok(status), test_number, description, directive_header, (status == KUNIT_SKIPPED) ? directive : ""); else kunit_log(KERN_INFO, test, - KUNIT_SUBTEST_INDENT "%s %zd - %s%s%s", + KUNIT_SUBTEST_INDENT "%s %zd %s%s%s", kunit_status_to_ok_not_ok(status), test_number, description, directive_header, (status == KUNIT_SKIPPED) ? directive : ""); base-commit: 6fe1ad4a156095859721fef85073df3ed43081d4 -- 2.38.1.431.g37b22c650d-goog

2 years, 7 months

3
11
0 0

kselftest/next kselftest-seccomp: 5 runs, 4 regressions (v6.1-rc1-17-g2dfb010d2aaf)

by kernelci.org bot

kselftest/next kselftest-seccomp: 5 runs, 4 regressions (v6.1-rc1-17-g2dfb010d2aaf) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | clang-15 | 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/next/kernel/v6.1-rc1-17-g2df… Test: kselftest-seccomp Tree: kselftest Branch: next Describe: v6.1-rc1-17-g2dfb010d2aaf URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 2dfb010d2aafceeab23ccd502c77784006adedd7 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/6375318550ec96d3c22abd02 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: clang-15 (Debian clang version 15.0.4) Plain log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-seccomp.login: https://kernelci.org/test/case/id/6375318550ec96d3c22abd03 failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, 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/63752d7576627ab7152abd12 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/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-seccomp.login: https://kernelci.org/test/case/id/63752d7576627ab7152abd13 failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/6375319c3fc8d248242abcfa Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: clang-15 (Debian clang version 15.0.4) Plain log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-seccomp.login: https://kernelci.org/test/case/id/6375319c3fc8d248242abcfb failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1) 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/63752d6076865d99092abcfc 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/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-seccomp.login: https://kernelci.org/test/case/id/63752d6076865d99092abcfd failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1)

2 years, 7 months

1
0
0 0

kselftest/next kselftest-lkdtm: 5 runs, 5 regressions (v6.1-rc1-17-g2dfb010d2aaf)

by kernelci.org bot

kselftest/next kselftest-lkdtm: 5 runs, 5 regressions (v6.1-rc1-17-g2dfb010d2aaf) 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 | clang-15 | defconfig+kse...4-chromebook | 1 mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | clang-15 | 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/next/kernel/v6.1-rc1-17-g2df… Test: kselftest-lkdtm Tree: kselftest Branch: next Describe: v6.1-rc1-17-g2dfb010d2aaf URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 2dfb010d2aafceeab23ccd502c77784006adedd7 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/63752eb72318e950a82abd4e 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/next/v6.1-rc1-17-g2dfb010d2aaf/arm/… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm/… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/63752eb72318e950a82abd4f new failure (last pass: v6.1-rc1-16-g35eee9a363be) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/6375319be1867008fe2abd2d Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: clang-15 (Debian clang version 15.0.4) Plain log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/6375319be1867008fe2abd2e failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, 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/63752d6344ce1be2b02abd2e 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/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/63752d6344ce1be2b02abd2f failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+---------------+----------+------------------------------+------------ mt8183-kukui-...uniper-sku16 | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/637531858416612ca62abd07 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: clang-15 (Debian clang version 15.0.4) Plain log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/637531858416612ca62abd08 failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1) 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/63752d50e561d4919a2abd17 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/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… HTML log: https://storage.kernelci.org//kselftest/next/v6.1-rc1-17-g2dfb010d2aaf/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022110… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/63752d50e561d4919a2abd18 failing since 29 days (last pass: linux-kselftest-next-6.0-rc2-11-g144eeb2fc761, first fail: v6.1-rc1)

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