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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-09-14 09:33:46 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-09-15 02:43:11 -0400 |
| commit | 1a371190a375f98c9b106f758ea41558c3f92556 (patch) | |
| tree | c57d5c913ad355360a5a6b7f7f1e74f1539ddd25 /rust/kernel/alloc/box_ext.rs | |
| parent | 091b2ecaa3081b8dee90c4fb31e782e8e3107a77 (diff) | |
| parent | 3abb708ec0be25da16a1ee9f1ab5cbc93f3256f3 (diff) | |
Merge tag 'loongarch-kvm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.12
1. Revert qspinlock to test-and-set simple lock on VM.
2. Add Loongson Binary Translation extension support.
3. Add PMU support for guest.
4. Enable paravirt feature control from VMM.
5. Implement function kvm_para_has_feature().
Diffstat (limited to 'rust/kernel/alloc/box_ext.rs')
| -rw-r--r-- | rust/kernel/alloc/box_ext.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/rust/kernel/alloc/box_ext.rs b/rust/kernel/alloc/box_ext.rs index 829cb1c1cf9e..9f1c1c489189 100644 --- a/rust/kernel/alloc/box_ext.rs +++ b/rust/kernel/alloc/box_ext.rs @@ -21,8 +21,10 @@ pub trait BoxExt<T>: Sized { impl<T> BoxExt<T> for Box<T> { fn new(x: T, flags: Flags) -> Result<Self, AllocError> { - let b = <Self as BoxExt<_>>::new_uninit(flags)?; - Ok(Box::write(b, x)) + let mut b = <Self as BoxExt<_>>::new_uninit(flags)?; + b.write(x); + // SAFETY: We just wrote to it. + Ok(unsafe { b.assume_init() }) } #[cfg(any(test, testlib))] |