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authorKyösti Mälkki <kyosti.malkki@gmail.com>2021-05-29 20:33:22 +0300
committerPatrick Georgi <pgeorgi@google.com>2021-06-09 05:19:58 +0000
commit176c8877ce8820ecc4f74748c83ab993b938eac6 (patch)
tree46a82e28b03ec2563ea9ac76f919da970700cb3e /util/mainboard/google
parent4cf65e9cc37f6f1e0467d57a680fcbdeb1a8614d (diff)
cpu/x86/lapic: Add Kconfig choice LAPIC_ACCESS_MODE
Allows compile-time optimisation on platforms that do not wish to enable runtime checking of X2APIC. Legacy lapic_cpu_init() is incompatible so there is dependency on PARALLEL_MP. Also stop_this_cpu() is incompatible, so there is dependency on !AP_IN_SIPI_WAIT. Since the code actually lacks enablement of X2APIC (apparently assuming the blob has done it) and the other small flaws pointed out in earlier reviews, X2APIC_RUNTIME is not selected per default on any platform yet. Change-Id: I8269f9639ee3e89a2c2b4178d266ba2dac46db3f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/55073 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
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