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authorKyösti Mälkki <kyosti.malkki@gmail.com>2019-11-23 06:24:41 +0200
committerNico Huber <nico.h@gmx.de>2020-09-26 23:06:50 +0000
commit57550a28b8d4b2e7a983bc10406f0ad81e491f98 (patch)
treec0c70c8b034d161f8fd804d0e04b512adc4683a5 /src/cpu/qemu-x86
parente92abdf20775b5d726cf587735f0c0a6d194f39f (diff)
cpu/qemu-x86: Drop select SMP
With MAX_CPUS==1, this has the effect of removing spinlock implementation. But since is_smp_boot() evaluates false and SMM uses separate smi_semaphore, there is no concurrency to protect against with a spinlock. Change-Id: I7c2ac221af78055879e7359bd03907f2416a9919 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43865 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/cpu/qemu-x86')
-rw-r--r--src/cpu/qemu-x86/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/cpu/qemu-x86/Kconfig b/src/cpu/qemu-x86/Kconfig
index c8c99b7c21..87d02fc030 100644
--- a/src/cpu/qemu-x86/Kconfig
+++ b/src/cpu/qemu-x86/Kconfig
@@ -2,7 +2,6 @@
config CPU_QEMU_X86
bool
- select SMP
select UDELAY_TSC
select TSC_MONOTONIC_TIMER
select UNKNOWN_TSC_RATE