From: Thomas Gleixner <tglx@linutronix.de>
To: Dave Hansen <dave.hansen@intel.com>, LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Andrew Cooper <andrew.cooper3@citrix.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Paolo Bonzini <pbonzini@redhat.com>, Wei Liu <wei.liu@kernel.org>,
Arjan van de Ven <arjan@linux.intel.com>,
Juergen Gross <jgross@suse.com>,
Michael Kelley <mikelley@microsoft.com>,
Peter Keresztes Schmidt <peter@keresztesschmidt.de>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>
Subject: Re: [patch V3 12/60] x86/of: Fix the APIC address registration
Date: Fri, 04 Aug 2023 01:35:11 +0200 [thread overview]
Message-ID: <87r0oj1yz4.ffs@tglx> (raw)
In-Reply-To: <973ae60f-15cd-19a3-7314-d165696b833c@intel.com>
On Thu, Aug 03 2023 at 15:42, Dave Hansen wrote:
> On 8/1/23 03:46, Thomas Gleixner wrote:
>> The device tree APIC parser tries to force enable the local APIC when it is
>> not set in CPUID. apic_force_enable() registers the boot CPU apic on
>> success.
>
> I went looking for how this registration happens. I was expecting to
> see something apic_force_enable() do something similar to
> register_lapic_address().
>
> But the apic_force_enable()=>apic_verify() call chain is pretty shallow
> and I'm not seeing a lot of overlap.
apic_verify() ends up invoking register_lapic_address() on success, no?
next prev parent reply other threads:[~2023-08-03 23:35 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-01 10:46 [patch V3 00/60] x86/apic: Decrapification and static calls Thomas Gleixner
2023-08-01 10:46 ` [patch V3 01/60] x86/cpu: Make identify_boot_cpu() static Thomas Gleixner
2023-08-01 10:46 ` [patch V3 02/60] x86/cpu: Remove unused physid_*() nonsense Thomas Gleixner
2023-08-01 10:46 ` [patch V3 03/60] x86/apic: Rename disable_apic Thomas Gleixner
2023-08-01 10:46 ` [patch V3 04/60] x86/apic/ioapic: Rename skip_ioapic_setup Thomas Gleixner
2023-08-01 10:46 ` [patch V3 05/60] x86/apic: Remove pointless x86_bios_cpu_apicid Thomas Gleixner
2023-08-01 10:46 ` [patch V3 06/60] x86/apic: Get rid of hard_smp_processor_id() Thomas Gleixner
2023-08-01 10:46 ` [patch V3 07/60] x86/apic: Remove unused max_physical_apicid Thomas Gleixner
2023-08-01 10:46 ` [patch V3 08/60] x86/apic: Nuke unused apic::inquire_remote_apic() Thomas Gleixner
2023-08-01 10:46 ` [patch V3 09/60] x86/apic: Get rid of boot_cpu_physical_apicid madness Thomas Gleixner
2023-08-01 10:46 ` [patch V3 10/60] x86/apic: Register boot CPU APIC early Thomas Gleixner
2023-08-01 10:46 ` [patch V3 11/60] x86/apic: Remove the pointless APIC version check Thomas Gleixner
2023-08-01 10:46 ` [patch V3 12/60] x86/of: Fix the APIC address registration Thomas Gleixner
2023-08-03 22:42 ` Dave Hansen
2023-08-03 23:35 ` Thomas Gleixner [this message]
2023-08-01 10:46 ` [patch V3 13/60] x86/apic: Make some APIC init functions bool Thomas Gleixner
2023-08-01 10:46 ` [patch V3 14/60] x86/apic: Split register_apic_address() Thomas Gleixner
2023-08-01 10:46 ` [patch V3 15/60] x86/apic: Sanitize APIC address setup Thomas Gleixner
2023-08-01 10:47 ` [patch V3 16/60] x86/xen/pv: Pretend that it found SMP configuration Thomas Gleixner
2023-08-01 10:47 ` [patch V3 17/60] x86/apic: Sanitize num_processors handling Thomas Gleixner
2023-08-01 10:47 ` [patch V3 18/60] x86/apic: Nuke another processor check Thomas Gleixner
2023-08-01 10:47 ` [patch V3 19/60] x86/apic: Remove check_phys_apicid_present() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 20/60] x86/apic: Get rid of apic_phys Thomas Gleixner
2023-08-01 10:47 ` [patch V3 21/60] x86/apic/32: Sanitize logical APIC ID handling Thomas Gleixner
2023-08-01 10:47 ` [patch V3 22/60] x86/apic/32: Remove x86_cpu_to_logical_apicid Thomas Gleixner
2023-08-01 10:47 ` [patch V3 23/60] x86/apic/ipi: Code cleanup Thomas Gleixner
2023-08-01 10:47 ` [patch V3 24/60] x86/apic: Mop up early_per_cpu() abuse Thomas Gleixner
2023-08-01 10:47 ` [patch V3 25/60] x86/apic/32: Remove pointless default_acpi_madt_oem_check() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 26/60] x86/apic/32: Decrapify the def_bigsmp mechanism Thomas Gleixner
2023-08-07 20:11 ` Dave Hansen
2023-08-07 21:18 ` Thomas Gleixner
2023-08-01 10:47 ` [patch V3 27/60] x86/apic/32: Remove bigsmp_cpu_present_to_apicid() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 28/60] x86/apic: Nuke empty init_apic_ldr() callbacks Thomas Gleixner
2023-08-01 10:47 ` [patch V3 29/60] x86/apic: Nuke apic::apicid_to_cpu_present() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 30/60] x86/ioapic/32: Decrapify phys_id_present_map operation Thomas Gleixner
2023-08-01 10:47 ` [patch V3 31/60] x86/apic: Mop up *setup_apic_routing() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 32/60] x86/apic: Mop up apic::apic_id_registered() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 33/60] x86/apic/ipi: Tidy up the code and fixup comments Thomas Gleixner
2023-08-01 10:47 ` [patch V3 34/60] x86/apic: Consolidate wait_icr_idle() implementations Thomas Gleixner
2023-08-01 10:47 ` [patch V3 35/60] x86/apic: Allow apic::wait_icr_idle() to be NULL Thomas Gleixner
2023-08-01 10:47 ` [patch V3 36/60] x86/apic: Allow apic::safe_wait_icr_idle() " Thomas Gleixner
2023-08-01 10:47 ` [patch V3 37/60] x86/apic: Move safe wait_icr_idle() next to apic_mem_wait_icr_idle() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 38/60] x86/apic/uv: Get rid of wrapper callbacks Thomas Gleixner
2023-08-01 10:47 ` [patch V3 39/60] x86/apic/x2apic: Share all common IPI functions Thomas Gleixner
2023-08-01 10:47 ` [patch V3 40/60] x86/apic/64: Uncopypaste probing Thomas Gleixner
2023-08-01 10:47 ` [patch V3 41/60] x86/apic: Wrap APIC ID validation into an inline Thomas Gleixner
2023-08-01 10:47 ` [patch V3 42/60] x86/apic: Add max_apic_id member Thomas Gleixner
2023-08-01 10:47 ` [patch V3 43/60] x86/apic: Simplify X2APIC ID validation Thomas Gleixner
2023-08-01 10:47 ` [patch V3 44/60] x86/apic: Prepare x2APIC for using apic::max_apic_id Thomas Gleixner
2023-08-01 10:47 ` [patch V3 45/60] x86/apic: Sanitize APID ID range validation Thomas Gleixner
2023-08-08 13:34 ` Qiuxu Zhuo
2023-08-08 18:55 ` Thomas Gleixner
2023-08-09 12:01 ` Zhang, Rui
2023-08-01 10:47 ` [patch V3 46/60] x86/apic: Remove pointless NULL initializations Thomas Gleixner
2023-08-01 10:47 ` [patch V3 47/60] x86/apic/noop: Tidy up the code Thomas Gleixner
2023-08-01 10:47 ` [patch V3 48/60] x86/apic: Remove pointless arguments from [native_]eoi_write() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 49/60] x86/apic: Nuke ack_APIC_irq() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 50/60] x86/apic: Wrap apic->native_eoi() into a helper Thomas Gleixner
2023-08-01 10:47 ` [patch V3 51/60] x86/apic: Provide common init infrastructure Thomas Gleixner
2023-08-09 1:41 ` Qiuxu Zhuo
2023-08-01 10:47 ` [patch V3 52/60] x86/xen/apic: Use standard apic driver mechanism for Xen PV Thomas Gleixner
2023-08-01 10:47 ` [patch V3 53/60] x86/apic: Provide apic_update_callback() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 54/60] x86/apic: Replace acpi_wake_cpu_handler_update() and apic_set_eoi_cb() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 55/60] x86/apic: Convert other overrides to apic_update_callback() Thomas Gleixner
2023-08-01 10:47 ` [patch V3 56/60] x86/xen/apic: Mark apic __ro_after_init Thomas Gleixner
2023-08-01 10:47 ` [patch V3 57/60] x86/apic: Mark all hotpath APIC callback wrappers __always_inline Thomas Gleixner
2023-08-01 10:47 ` [patch V3 58/60] x86/apic: Wrap IPI calls into helper functions Thomas Gleixner
2023-08-01 10:47 ` [patch V3 59/60] x86/apic: Provide static call infrastructure for APIC callbacks Thomas Gleixner
2023-08-01 10:47 ` [patch V3 60/60] x86/apic: Turn on static calls Thomas Gleixner
2023-08-02 11:55 ` [patch V3 00/60] x86/apic: Decrapification and " Juergen Gross
2023-08-03 0:05 ` Sohil Mehta
2023-08-03 3:50 ` Michael Kelley (LINUX)
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