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Hyper-V emulation is enabled in KVM unconditionally. This is bad at least
from security standpoint as it is an extra attack surface. Ideally, there
should be a per-VM capability explicitly enabled by VMM but currently it
is not the case and we can't mandate one without breaking backwards
compatibility. We can, however, check guest visible CPUIDs and only enable
Hyper-V emulation when "Hv#1" interface was exposed in
HYPERV_CPUID_INTERFACE.
Note, VMMs are free to act in any sequence they like, e.g. they can try
to set MSRs first and CPUIDs later so we still need to allow the host
to read/write Hyper-V specific MSRs unconditionally.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
[Add selftest vcpu_set_hv_cpuid API to avoid breaking xen_vmcall_test. - Paolo]
Signed-off-by: Paolo Bonzini <[email protected]>
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Generally, when Hyper-V emulation is enabled, VMM is supposed to set
Hyper-V CPUID identifications so the guest knows that Hyper-V features
are available. evmcs_test doesn't currently do that but so far Hyper-V
emulation in KVM was enabled unconditionally. As we are about to change
that, proper Hyper-V CPUID identification should be set in selftests as
well.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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kvm_get_supported_hv_cpuid() may come handy in all Hyper-V related tests.
Split it off hyperv_cpuid test, create system-wide and vcpu versions.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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With the updated maximum number of user memslots (32)
set_memory_region_test sometimes takes longer than the default 45 seconds
to finish. Raise the value to an arbitrary 120 seconds.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Add missing skeleton destroy call.
Fixes: 37086bfdc737 ("bpf: Propagate stack bounds to registers in atomics w/ BPF_FETCH")
Reported-by: Yonghong Song <[email protected]>
Signed-off-by: Brendan Jackman <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Eliminate the following coccicheck warning:
./tools/testing/selftests/bpf/test_flow_dissector.c:506:2-3: Unneeded
semicolon
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Add cases to verify that when debugfs variable "fail_route_offload" is
set, notification with "rt_offload_failed" flag is received.
Extend the existing cases to verify that when sysctl
"fib_notify_on_flag_change" is set to 2, the kernel emits notifications
only for failed route installation.
$ ./fib_notifications.sh
TEST: IPv4 route addition [ OK ]
TEST: IPv4 route deletion [ OK ]
TEST: IPv4 route replacement [ OK ]
TEST: IPv4 route offload failed [ OK ]
TEST: IPv6 route addition [ OK ]
TEST: IPv6 route deletion [ OK ]
TEST: IPv6 route replacement [ OK ]
TEST: IPv6 route offload failed [ OK ]
Signed-off-by: Amit Cohen <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add the futex test binary introduced by commit a4fd8414659b
("selftests/timens: Add a test for futex()") to .gitignore.
Signed-off-by: Tobias Klauser <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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When call ptrace(PTRACE_CONT, ...) failed, use correct error messages.
Signed-off-by: Tiezhu Yang <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Only older versions of the RISC-V GCC toolchain define __riscv__. Check
for __riscv as well, which is used by newer GCC toolchains. Also set
VDSO_32BIT based on __riscv_xlen.
Before (on riscv64):
$ ./vdso_test_abi
[vDSO kselftest] VDSO_VERSION: LINUX_4
Could not find __vdso_gettimeofday
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_REALTIME [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_BOOTTIME [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_TAI [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_REALTIME_COARSE [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_MONOTONIC [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_MONOTONIC_RAW [PASS]
Could not find __vdso_clock_gettime
Could not find __vdso_clock_getres
clock_id: CLOCK_MONOTONIC_COARSE [PASS]
Could not find __vdso_time
After (on riscv32):
$ ./vdso_test_abi
[vDSO kselftest] VDSO_VERSION: LINUX_4.15
The time is 1612449376.015086
The time is 1612449376.18340784
The resolution is 0 1
clock_id: CLOCK_REALTIME [PASS]
The time is 774.842586182
The resolution is 0 1
clock_id: CLOCK_BOOTTIME [PASS]
The time is 1612449376.22536565
The resolution is 0 1
clock_id: CLOCK_TAI [PASS]
The time is 1612449376.20885172
The resolution is 0 4000000
clock_id: CLOCK_REALTIME_COARSE [PASS]
The time is 774.845491269
The resolution is 0 1
clock_id: CLOCK_MONOTONIC [PASS]
The time is 774.849534200
The resolution is 0 1
clock_id: CLOCK_MONOTONIC_RAW [PASS]
The time is 774.842139684
The resolution is 0 4000000
clock_id: CLOCK_MONOTONIC_COARSE [PASS]
Could not find __vdso_time
Signed-off-by: Tobias Klauser <[email protected]>
Reviewed-by: Palmer Dabbelt <[email protected]>
Acked-by: Palmer Dabbelt <[email protected]>
Acked-by: Vincenzo Frascino <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Eliminate the following coccicheck warning:
./tools/testing/selftests/x86/ldt_gdt.c:610:2-3: Unneeded semicolon
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Eliminate the following coccicheck warning:
./tools/testing/selftests/ipc/msgque.c:72:3-4: Unneeded semicolon
./tools/testing/selftests/ipc/msgque.c:183:2-3: Unneeded semicolon
./tools/testing/selftests/ipc/msgque.c:191:2-3: Unneeded semicolon
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Add a check to validate that buffers allocated from the heaps
are properly zeroed before being given to userland.
It is done by allocating a number of buffers, and filling them
with a nonzero pattern, then closing and reallocating more
buffers and checking that they are all properly zeroed.
This is helpful to validate any cached buffers are zeroed
before being given back out.
Cc: Shuah Khan <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Cleanup the test output so it is a bit easier to read
Cc: Shuah Khan <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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While testing against a vgem device is helpful for testing importing
they aren't always configured in, so don't make it a fatal failure.
Cc: Shuah Khan <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Add logic to check the dmabuf sync calls succeed.
Cc: Shuah Khan <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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usr/include dir
Copied in from somewhere else, the makefile was including
the kerne's usr/include dir, which caused the asm/ioctl.h file
to be used.
Unfortunately, that file has different values for _IOC_SIZEBITS
and _IOC_WRITE than include/uapi/asm-generic/ioctl.h which then
causes the _IOCW macros to give the wrong ioctl numbers,
specifically for DMA_BUF_IOCTL_SYNC.
This patch simply removes the extra include from the Makefile
Cc: Shuah Khan <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Fixes: a8779927fd86c ("kselftests: Add dma-heap test")
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Kernel's key folding basically consists of shifting away least
significant zero bits in mask and masking the resulting value with
(divisor - 1). Test for u32's 'sample' option to behave identical.
Suggested-by: Jamal Hadi Salim <[email protected]>
Signed-off-by: Phil Sutter <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Eliminate the following coccicheck warning:
./tools/testing/selftests/net/so_txtime.c:199:3-4: Unneeded semicolon
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Eliminate the following coccicheck warning:
./tools/testing/selftests/bpf/benchs/bench_ringbufs.c:322:2-3: Unneeded
semicolon
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Yang Li <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Pull dma-mapping fix from Christoph Hellwig:
"Fix a 32 vs 64-bit padding issue in the new benchmark code (Barry
Song)"
* tag 'dma-mapping-5.11-2' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: benchmark: use u8 for reserved field in uAPI structure
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Since the mptcp_join script is becoming too big, this patch splits it
into several smaller chunks, each of them has been defined in a function
as a individual test group for several related testcases.
Using bash getopts function to parse command line arguments, and invoke
each function to do the individual test group.
Here are all the arguments:
-f subflows_tests
-s signal_address_tests
-l link_failure_tests
-t add_addr_timeout_tests
-r remove_tests
-a add_tests
-6 ipv6_tests
-4 v4mapped_tests
-b backup_tests
-p add_addr_ports_tests
-c syncookies_tests
-h help
Run mptcp_join.sh with no argument will execute all testcases.
Signed-off-by: Geliang Tang <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Michael Kerrisk suggested that, from an API perspective, it is a bad
idea to share the PR_SYS_DISPATCH_ defines between the prctl operation
and the selector variable.
Therefore, define two new constants to be used by SUD's selector variable
and update the corresponding documentation and test cases.
While this changes the API syscall user dispatch has never been part of a
Linux release, it will show up for the first time in 5.11.
Suggested-by: Michael Kerrisk (man-pages) <[email protected]>
Signed-off-by: Gabriel Krisman Bertazi <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In a real dma mapping user case, after dma_map is done, data will be
transmit. Thus, in multi-threaded user scenario, IOMMU contention
should not be that severe. For example, if users enable multiple
threads to send network packets through 1G/10G/100Gbps NIC, usually
the steps will be: map -> transmission -> unmap. Transmission delay
reduces the contention of IOMMU.
Here a delay is added to simulate the transmission between map and unmap
so that the tested result could be more accurate for TX and simple RX.
A typical TX transmission for NIC would be like: map -> TX -> unmap
since the socket buffers come from OS. Simple RX model eg. disk driver,
is also map -> RX -> unmap, but real RX model in a NIC could be more
complicated considering packets can come spontaneously and many drivers
are using pre-mapped buffers pool. This is in the TBD list.
Signed-off-by: Barry Song <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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The original code put five u32 before a u64 expansion[10] array. Five is
odd, this will cause trouble in the extension of the structure by adding
new features. This patch moves to use u8 for reserved field to avoid
future alignment risk.
Meanwhile, it also clears the memory of struct map_benchmark in tools,
otherwise, if users use old version to run on newer kernel, the random
expansion value will cause side effect on newer kernel.
Signed-off-by: Barry Song <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix combination of --reap and --update in xt_recent that triggers
UAF, from Jozsef Kadlecsik.
2) Fix current year in nft_meta selftest, from Fabian Frederick.
3) Fix possible UAF in the netns destroy path of nftables.
4) Fix incorrect checksum calculation when mangling ports in flowtable,
from Sven Auhagen.
* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf:
netfilter: flowtable: fix tcp and udp header checksum update
netfilter: nftables: fix possible UAF over chains from packet path in netns
selftests: netfilter: fix current year
netfilter: xt_recent: Fix attempt to update deleted entry
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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PACKET_TX_TIMESTAMP is defined in if_packet.h but it is not included in
test. Include it instead of <netpacket/packet.h> otherwise the error of
redefinition arrives.
Also fix the compiler warning about ambiguous control flow by adding
explicit braces.
Fixes: 8fe2f761cae9 ("net-timestamp: expand documentation")
Suggested-by: Willem de Bruijn <[email protected]>
Signed-off-by: Vadim Fedorenko <[email protected]>
Acked-by: Willem de Bruijn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Instead of using shared global variables between userspace and BPF, use
the ring buffer to send the IMA hash on the BPF ring buffer. This helps
in validating both IMA and the usage of the ringbuffer in sleepable
programs.
Signed-off-by: KP Singh <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Add a short note to make contributors aware of the existence of the
script. The documentation does not intentionally document all the
options of the script to avoid mentioning it in two places (it's
available in the usage / help message of the script).
Signed-off-by: KP Singh <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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The script runs the BPF selftests locally on the same kernel image
as they would run post submit in the BPF continuous integration
framework.
The goal of the script is to allow contributors to run selftests locally
in the same environment to check if their changes would end up breaking
the BPF CI and reduce the back-and-forth between the maintainers and the
developers.
Signed-off-by: KP Singh <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Tested-by: Jiri Olsa <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Instead of adding a plethora of new KVM_CAP_XEN_FOO capabilities, just
add bits to the return value of KVM_CAP_XEN_HVM.
Signed-off-by: David Woodhouse <[email protected]>
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Disambiguate Xen vs. Hyper-V calls by adding 'orl $0x80000000, %eax'
at the start of the Hyper-V hypercall page when Xen hypercalls are
also enabled.
That bit is reserved in the Hyper-V ABI, and those hypercall numbers
will never be used by Xen (because it does precisely the same trick).
Switch to using kvm_vcpu_write_guest() while we're at it, instead of
open-coding it.
Signed-off-by: David Woodhouse <[email protected]>
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Add a new exit reason for emulator to handle Xen hypercalls.
Since this means KVM owns the ABI, dispense with the facility for the
VMM to provide its own copy of the hypercall pages; just fill them in
directly using VMCALL/VMMCALL as we do for the Hyper-V hypercall page.
This behaviour is enabled by a new INTERCEPT_HCALL flag in the
KVM_XEN_HVM_CONFIG ioctl structure, and advertised by the same flag
being returned from the KVM_CAP_XEN_HVM check.
Rename xen_hvm_config() to kvm_xen_write_hypercall_page() and move it
to the nascent xen.c while we're at it, and add a test case.
Signed-off-by: Joao Martins <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
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KVM_GET_SUPPORTED_CPUID
Commit 181f494888d5 ("KVM: x86: fix CPUID entries returned by
KVM_GET_CPUID2 ioctl") revealed that we're not testing KVM_GET_CPUID2
ioctl at all. Add a test for it and also check that from inside the guest
visible CPUIDs are equal to it's output.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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This test will check the effect of various CPUID settings on the
MSR_IA32_PERF_CAPABILITIES MSR, check that whatever user space writes
with KVM_SET_MSR is _not_ modified from the guest and can be retrieved
with KVM_GET_MSR, and check that invalid LBR formats are rejected.
Signed-off-by: Like Xu <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Disabling dirty logging is much more intestesting from a testing
perspective if the vCPUs are still running. This also excercises the
code-path in which collapsible SPTEs must be faulted back in at a higher
level after disabling dirty logging.
To: [email protected]
CC: Peter Xu <[email protected]>
CC: Andrew Jones <[email protected]>
CC: Thomas Huth <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Add a parameter to control the backing memory type for
dirty_log_perf_test so that the test can be run with hugepages.
To: [email protected]
CC: Peter Xu <[email protected]>
CC: Andrew Jones <[email protected]>
CC: Thomas Huth <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Add a memslot modification stress test in which a memslot is repeatedly
created and removed while vCPUs access memory in another memslot. Most
userspaces do not create or remove memslots on running VMs which makes
it hard to test races in adding and removing memslots without a
dedicated test. Adding and removing a memslot also has the effect of
tearing down the entire paging structure, which leads to more page
faults and pressure on the page fault handling path than a one-and-done
memory population test.
Reviewed-by: Jacob Xu <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Add an option to overlap the ranges of memory each vCPU accesses instead
of partitioning them. This option will increase the probability of
multiple vCPUs faulting on the same page at the same time, and causing
interesting races, if there are bugs in the page fault handler or
elsewhere in the kernel.
Reviewed-by: Jacob Xu <[email protected]>
Reviewed-by: Makarand Sonare <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Currently the population stage in the dirty_log_perf_test does nothing
as the per-vCPU iteration counters are not initialized and the loop does
not wait for each vCPU. Remedy those errors.
Reviewed-by: Jacob Xu <[email protected]>
Reviewed-by: Makarand Sonare <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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In order to add an iteration -1 to indicate that the memory population
phase has not yet completed, convert the interations counters to ints.
No functional change intended.
Reviewed-by: Jacob Xu <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Peter Xu pointed out that a log message printed while waiting for the
memory population phase of the dirty_log_perf_test will flood the debug
logs as there is no delay after printing the message. Since the message
does not provide much value anyway, remove it.
Reviewed-by: Jacob Xu <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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In response to some earlier comments from Peter Xu, rename
timespec_diff_now to the much more sensible timespec_elapsed.
No functional change intended.
Reviewed-by: Jacob Xu <[email protected]>
Reviewed-by: Makarand Sonare <[email protected]>
Signed-off-by: Ben Gardon <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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When a guest is using xAPIC KVM allocates a backing page for the required
EPT entry for the APIC access address set in the VMCS. If mm decides to
move that page the KVM mmu notifier will update the VMCS with the new
HPA. This test induces a page move to test that APIC access continues to
work correctly. It is a directed test for
commit e649b3f0188f "KVM: x86: Fix APIC page invalidation race".
Tested: ran for 1 hour on a skylake, migrating backing page every 1ms
Depends on patch "selftests: kvm: Add exception handling to selftests"
from [email protected] that has not yet been queued.
Signed-off-by: Peter Shier <[email protected]>
Reviewed-by: Jim Mattson <[email protected]>
Reviewed-by: Ricardo Koller <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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TLS selftests were broken also because of use of structure that
was not exported to UAPI. Fix by defining the union in tests.
Fixes: 4f336e88a870 (selftests/tls: add CHACHA20-POLY1305 to tls selftests)
Reported-by: Rong Chen <[email protected]>
Signed-off-by: Vadim Fedorenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Test that setting lanes parameter is working.
Set max speed and max lanes in the list of advertised link modes,
and then try to set max speed with the lanes below max lanes if exists
in the list.
And then, test that setting number of lanes larger than max lanes fails.
Do the above for both autoneg on and off.
$ ./ethtool_lanes.sh
TEST: 4 lanes is autonegotiated [ OK ]
TEST: Lanes number larger than max width is not set [ OK ]
TEST: Autoneg off, 4 lanes detected during force mode [ OK ]
TEST: Lanes number larger than max width is not set [ OK ]
Signed-off-by: Danielle Ratson <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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use date %Y instead of %G to read current year
Problem appeared when running lkp-tests on 01/01/2021
Fixes: 48d072c4e8cd ("selftests: netfilter: add time counter check")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Fabian Frederick <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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This patch adds support to verifier tests to check for a succession of
verifier log messages on program load failure. This makes the errstr
field work uniformly across REJECT and VERBOSE_ACCEPT checks.
This patch also increases the maximum size of a message in the series of
messages to test from 80 chars to 200 chars. This is in order to keep
existing tests working, which sometimes test for messages larger than 80
chars (which was accepted in the REJECT case, when testing for a single
message, but not in the VERBOSE_ACCEPT case, when testing for possibly
multiple messages).
And example of such a long, checked message is in bounds.c: "R1 has
unknown scalar with mixed signed bounds, pointer arithmetic with it
prohibited for !root"
Signed-off-by: Andrei Matei <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Song Liu <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Some compilers trigger a warning when tmp_dir_path is allocated
with a fixed size of 64-bytes and used in the following snprintf:
snprintf(tmp_exec_path, sizeof(tmp_exec_path), "%s/copy_of_rm",
tmp_dir_path);
warning: ‘/copy_of_rm’ directive output may be truncated writing 11
bytes into a region of size between 1 and 64 [-Wformat-truncation=]
This is because it assumes that tmp_dir_path can be a maximum of 64
bytes long and, therefore, the end-result can get truncated. Fix it by
not using a fixed size in the initialization of tmp_dir_path which
allows the compiler to track actual size of the array better.
Fixes: 2f94ac191846 ("bpf: Update local storage test to check handling of null ptrs")
Signed-off-by: KP Singh <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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This patch adds testcases for ADD_ADDR with port and the related MIB
counters check in chk_add_nr. The output looks like this:
24 signal address with port syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ] - pt [ ok ]
syn[ ok ] - synack[ ok ] - ack[ ok ]
syn[ ok ] - ack [ ok ]
25 subflow and signal with port syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ] - pt [ ok ]
syn[ ok ] - synack[ ok ] - ack[ ok ]
syn[ ok ] - ack [ ok ]
26 remove single address with port syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ] - pt [ ok ]
syn[ ok ] - synack[ ok ] - ack[ ok ]
syn[ ok ] - ack [ ok ]
rm [ ok ] - sf [ ok ]
Signed-off-by: Geliang Tang <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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