mirror_ubuntu-kernels/arch/x86/kernel/apic
Thomas Gleixner daf3af4705 x86/apic: Clarify i82489DX bit overlap in APIC_LVT0
Daniel stumbled over the bit overlap of the i82498DX external APIC and the
TSC deadline timer configuration bit in modern APICs, which is neither
documented in the code nor in the current SDM. Maciej provided links to
the original i82489DX/486 documentation. See Link.

Remove the i82489DX macro maze, use a i82489DX specific define in the apic
code and document the overlap in a comment.

Reported-by: Daniel Vacek <neelx@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/87ee22f3ci.ffs@tglx
2022-04-13 18:39:48 +02:00
..
apic_common.c x86/apic: Fix signedness bug in APIC ID validity checks 2018-04-10 16:46:39 +02:00
apic_flat_64.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
apic_noop.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
apic_numachip.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
apic.c x86/apic: Clarify i82489DX bit overlap in APIC_LVT0 2022-04-13 18:39:48 +02:00
bigsmp_32.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
hw_nmi.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
io_apic.c A set of updates to support port 0x22/0x23 based PCI configuration space 2021-08-30 15:20:05 -07:00
ipi.c x86/apic: Replace pointless apic:: Dest_logical usage 2020-10-28 20:26:24 +01:00
local.h x86/headers: Remove APIC headers from <asm/smp.h> 2020-08-06 16:13:09 +02:00
Makefile x86/PCI: Remove unused HyperTransport interrupt support 2017-11-23 20:18:18 +01:00
msi.c x86/apic/msi: Use PCI device MSI property 2021-12-16 22:16:37 +01:00
probe_32.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
probe_64.c x86/irq: Move apic_post_init() invocation to one place 2020-09-16 16:52:35 +02:00
vector.c Replace for_each_*_bit_from() with for_each_*_bit() where appropriate 2022-01-15 08:47:31 -08:00
x2apic_cluster.c x86/apic: Reduce cache line misses in __x2apic_send_IPI_mask() 2021-10-29 10:02:17 +02:00
x2apic_phys.c x86/apic: Add extra serialization for non-serializing MSRs 2021-02-04 19:36:31 +01:00
x2apic_uv_x.c x86/platform/uv: Use x2apic enabled bit as set by BIOS to indicate APIC mode 2021-04-16 12:51:03 +02:00