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Signed-off-by: Bin Lu <bin.lu@arm.com>
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/891 from lubinszARM:pr_pagetable 2385de75a8662af3ab1ae289dd74dd0e5dcfaf66
PiperOrigin-RevId: 282013224
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This should save ~200ns from switchToApp (on ptrace too). // mpratt
PiperOrigin-RevId: 281159895
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PiperOrigin-RevId: 279840214
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sigtimedwait is used to check pending signals and
it should not block.
PiperOrigin-RevId: 277777269
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On Arm platform, "setMemoryRegion" has extra permission checks.
In virt/kvm/arm/mmu.c: kvm_arch_prepare_memory_region()
....
if (writable && !(vma->vm_flags & VM_WRITE)) {
ret = -EPERM;
break;
}
....
So, for Arm platform, the "flags" for kvm_memory_region is required.
And on x86 platform, the "flags" can be always set as '0'.
Signed-off-by: Bin Lu <bin.lu@arm.com>
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/810 from lubinszARM:pr_setregion 8c99b19cfb0c859c6630a1cfff951db65fcf87ac
PiperOrigin-RevId: 277602603
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Currently there are no ABI changes. We should check again closer to release.
PiperOrigin-RevId: 277349744
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The syscall filters don't allow kill, just tgkill.
PiperOrigin-RevId: 276718421
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SIGKILL can be sent only by an user or OOM-killer. In both cases, we don't
need to panic.
PiperOrigin-RevId: 276150120
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This patch enabled the basic framework for arm64 guest.
Serveral jobs were finished in this patch:
1, ring0.Vectors()
2, switchToUser()
3, basic framwork for Arm64 guest.
Signed-off-by: Bin Lu <bin.lu@arm.com>
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PiperOrigin-RevId: 275139066
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PiperOrigin-RevId: 273781641
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Before https://golang.org/cl/173160 syscall.RawSyscall would zero out
the last three register arguments to the system call. That no longer happens.
For system calls that take more than three arguments, use RawSyscall6 to
ensure that we pass zero, not random data, for the additional arguments.
PiperOrigin-RevId: 271062527
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enable kvm/testutil to support arm64
The Arm64 user-mode execution stat consists of:
1, X0- X30
2, PC, SP, PSTATE
3, TPIDR_EL0, used for TLS
4, V0-V31: 32 128-bit registers for floating point and simd
5, FPSR
Currently, we first try to achieve goals 1 and 2.
This patch provids basic test utils for goals 1 & 2
Signed-off-by: Bin Lu <bin.lu@arm.com>
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PiperOrigin-RevId: 269631877
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They are no-ops, so the standard rule works fine.
PiperOrigin-RevId: 268776264
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The simple test script has gotten out of control. Shard this script into
different pieces and attempt to impose order on overall test structure. This
change helps lay some of the foundations for future improvements.
* The runsc/test directories are moved into just test/.
* The runsc/test/testutil package is split into logical pieces.
* The scripts/ directory contains new top-level targets.
* Each test is now responsible for building targets it requires.
* The install functionality is moved into `runsc` itself for simplicity.
* The existing kokoro run_tests.sh file now just calls all (can be split).
After this change is merged, I will create multiple distinct workflows for
Kokoro, one for each of the scripts currently targeted by `run_tests.sh` today,
which should dramatically reduce the time-to-run for the Kokoro tests, and
provides a better foundation for further improvements to the infrastructure.
PiperOrigin-RevId: 267081397
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