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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 /fs/dcache.c | |
| parent | Merge tag 'kvmarm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD (diff) | |
| parent | LoongArch: KVM: Implement function kvm_para_has_feature() (diff) | |
| download | wireguard-linux-1a371190a375f98c9b106f758ea41558c3f92556.tar.xz wireguard-linux-1a371190a375f98c9b106f758ea41558c3f92556.zip | |
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 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 3d8daaecb6d1..6386b9b625dd 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -96,11 +96,16 @@ EXPORT_SYMBOL(dotdot_name); * * This hash-function tries to avoid losing too many bits of hash * information, yet avoid using a prime hash-size or similar. + * + * Marking the variables "used" ensures that the compiler doesn't + * optimize them away completely on architectures with runtime + * constant infrastructure, this allows debuggers to see their + * values. But updating these values has no effect on those arches. */ -static unsigned int d_hash_shift __ro_after_init; +static unsigned int d_hash_shift __ro_after_init __used; -static struct hlist_bl_head *dentry_hashtable __ro_after_init; +static struct hlist_bl_head *dentry_hashtable __ro_after_init __used; static inline struct hlist_bl_head *d_hash(unsigned long hashlen) { |