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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-11-23 06:24:41 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2020-09-26 23:06:50 +0000 |
| commit | 57550a28b8d4b2e7a983bc10406f0ad81e491f98 (patch) | |
| tree | c0c70c8b034d161f8fd804d0e04b512adc4683a5 /src/cpu/qemu-x86 | |
| parent | e92abdf20775b5d726cf587735f0c0a6d194f39f (diff) | |
| download | coreboot-57550a28b8d4b2e7a983bc10406f0ad81e491f98.tar.gz coreboot-57550a28b8d4b2e7a983bc10406f0ad81e491f98.tar.bz2 coreboot-57550a28b8d4b2e7a983bc10406f0ad81e491f98.zip | |
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/Kconfig | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/src/cpu/qemu-x86/Kconfig b/src/cpu/qemu-x86/Kconfig index c8c99b7c21c6..87d02fc030fd 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 |