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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:10 +0000 |
| commit | 2e7b21ebb8f845570641035f8a7832d33d8e5135 (patch) | |
| tree | 3db92cd227f359a58c62582e954a78616c9a3426 /arch/x86/include/asm | |
| parent | Adding debian version 6.10.4-1. (diff) | |
| download | linux-2e7b21ebb8f845570641035f8a7832d33d8e5135.tar.xz linux-2e7b21ebb8f845570641035f8a7832d33d8e5135.zip | |
Merging upstream version 6.10.6.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/intel_ds.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/qspinlock.h | 12 |
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/include/asm/intel_ds.h b/arch/x86/include/asm/intel_ds.h index 2f9eeb5c30..5dbeac48a5 100644 --- a/arch/x86/include/asm/intel_ds.h +++ b/arch/x86/include/asm/intel_ds.h @@ -9,6 +9,7 @@ /* The maximal number of PEBS events: */ #define MAX_PEBS_EVENTS_FMT4 8 #define MAX_PEBS_EVENTS 32 +#define MAX_PEBS_EVENTS_MASK GENMASK_ULL(MAX_PEBS_EVENTS - 1, 0) #define MAX_FIXED_PEBS_EVENTS 16 /* diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h index a053c12939..68da67df30 100644 --- a/arch/x86/include/asm/qspinlock.h +++ b/arch/x86/include/asm/qspinlock.h @@ -66,13 +66,15 @@ static inline bool vcpu_is_preempted(long cpu) #ifdef CONFIG_PARAVIRT /* - * virt_spin_lock_key - enables (by default) the virt_spin_lock() hijack. + * virt_spin_lock_key - disables by default the virt_spin_lock() hijack. * - * Native (and PV wanting native due to vCPU pinning) should disable this key. - * It is done in this backwards fashion to only have a single direction change, - * which removes ordering between native_pv_spin_init() and HV setup. + * Native (and PV wanting native due to vCPU pinning) should keep this key + * disabled. Native does not touch the key. + * + * When in a guest then native_pv_lock_init() enables the key first and + * KVM/XEN might conditionally disable it later in the boot process again. */ -DECLARE_STATIC_KEY_TRUE(virt_spin_lock_key); +DECLARE_STATIC_KEY_FALSE(virt_spin_lock_key); /* * Shortcut for the queued_spin_lock_slowpath() function that allows |