diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-09 01:04:12 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-08-09 21:58:32 +0300 |
| commit | d8666cf780203fe016f13e7d5d1af50811dc01b5 (patch) | |
| tree | ac23ceb6dd9302c22ad5d743bec364a4fa07cdbb /arch/x86/include/asm/apic.h | |
| parent | b5a5ce58d3d22ce560305ef9c70a2ec21fb887ba (diff) | |
| download | linux-d8666cf780203fe016f13e7d5d1af50811dc01b5.tar.xz | |
x86/apic: Sanitize APIC ID range validation
Now that everything has apic::max_apic_id set and the eventual update for
the x2APIC case is in place, switch the apic_id_valid() helper to use
apic::max_apic_id and remove the apic::apic_id_valid() callback.
[ dhansen: Fix subject typo ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
Diffstat (limited to 'arch/x86/include/asm/apic.h')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 2e79c13d3c65..ccf4e3665d08 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -284,7 +284,6 @@ struct apic { /* Probe, setup and smpboot functions */ int (*probe)(void); int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); - int (*apic_id_valid)(u32 apicid); bool (*apic_id_registered)(void); bool (*check_apicid_used)(physid_mask_t *map, int apicid); @@ -378,7 +377,7 @@ static inline u32 safe_apic_wait_icr_idle(void) static inline bool apic_id_valid(u32 apic_id) { - return apic->apic_id_valid(apic_id); + return apic_id <= apic->max_apic_id; } extern void __init apic_set_eoi_write(void (*eoi_write)(u32 reg, u32 v)); |