| commit | 57550a28b8d4b2e7a983bc10406f0ad81e491f98 | |
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | |
| Sat, 23 Nov 2019 04:24:41 +0000 (23 06:24 +0200) | ||
| committer | Nico Huber <nico.h@gmx.de> | |
| Sat, 26 Sep 2020 23:06:50 +0000 (26 23:06 +0000) | ||
| tree | c0c70c8b034d161f8fd804d0e04b512adc4683a5 | treesnapshot (tar.gz zip) |
| parent | e92abdf20775b5d726cf587735f0c0a6d194f39f | commitdiff |
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>
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>
| src/cpu/qemu-x86/Kconfig | diffblobblamehistory |