diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-01 17:24:32 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-04 19:13:18 +0100 |
| commit | ed5ebf442fad54977f5514155e94dfe722c1d8d3 (patch) | |
| tree | 014175a13bcb29e79c94a0236b67a0a749b71ec3 /arch/powerpc/include/asm/spinlock.h | |
| parent | 9df1ac5dd935ced295e291443c13415200b0afee (diff) | |
Revert "powerpc/vcpu: Assume dedicated processors as non-preempt"
This reverts commit 4ba32bdbd8c66d9c7822aea8dcf4e51410df84a8 which is
commit 14c73bd344da60abaf7da3ea2e7733ddda35bbac upstream.
It breaks the build.
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Parth Shah <parth@linux.ibm.com>
Cc: Ihor Pasichnyk <Ihor.Pasichnyk@ibm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Waiman Long <longman@redhat.com>
Cc: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Phil Auld <pauld@redhat.com>
Cc: Vaidyanathan Srinivasan <svaidy@linux.ibm.com>
Cc: Parth Shah <parth@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
| -rw-r--r-- | arch/powerpc/include/asm/spinlock.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index bfaf175db54d..685c72310f5d 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -53,12 +53,10 @@ #endif #ifdef CONFIG_PPC_PSERIES -DECLARE_STATIC_KEY_FALSE(shared_processor); - #define vcpu_is_preempted vcpu_is_preempted static inline bool vcpu_is_preempted(int cpu) { - if (!static_branch_unlikely(&shared_processor)) + if (!firmware_has_feature(FW_FEATURE_SPLPAR)) return false; return !!(be32_to_cpu(lppaca_of(cpu).yield_count) & 1); } |