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| author | Will Deacon <will.deacon@arm.com> | 2015-05-29 18:28:44 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-07-27 11:08:40 +0100 |
| commit | 4b3dc9679cf779339d9049800803dfc3c83433d1 (patch) | |
| tree | 8c04c26a614240f3142b7afafc071719fc3ea0f5 /arch/arm64/kernel/setup.c | |
| parent | 52da443ec4d0a807b720527eb474f9c2878cd671 (diff) | |
| download | linux-stable-4b3dc9679cf779339d9049800803dfc3c83433d1.tar.gz linux-stable-4b3dc9679cf779339d9049800803dfc3c83433d1.tar.bz2 linux-stable-4b3dc9679cf779339d9049800803dfc3c83433d1.zip | |
arm64: force CONFIG_SMP=y and remove redundant #ifdefs
Nobody seems to be producing !SMP systems anymore, so this is just
becoming a source of kernel bugs, particularly if people want to use
coherent DMA with non-shared pages.
This patch forces CONFIG_SMP=y for arm64, removing a modest amount of
code in the process.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/setup.c')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index f3067d4d4e35..cf609cf3fcb5 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -131,7 +131,6 @@ bool arch_match_cpu_phys_id(int cpu, u64 phys_id) } struct mpidr_hash mpidr_hash; -#ifdef CONFIG_SMP /** * smp_build_mpidr_hash - Pre-compute shifts required at each affinity * level in order to build a linear index from an @@ -197,7 +196,6 @@ static void __init smp_build_mpidr_hash(void) pr_warn("Large number of MPIDR hash buckets detected\n"); __flush_dcache_area(&mpidr_hash, sizeof(struct mpidr_hash)); } -#endif static void __init hyp_mode_check(void) { @@ -405,10 +403,8 @@ void __init setup_arch(char **cmdline_p) xen_early_init(); cpu_read_bootcpu_ops(); -#ifdef CONFIG_SMP smp_init_cpus(); smp_build_mpidr_hash(); -#endif #ifdef CONFIG_VT #if defined(CONFIG_VGA_CONSOLE) @@ -508,9 +504,7 @@ static int c_show(struct seq_file *m, void *v) * online processors, looking for lines beginning with * "processor". Give glibc what it expects. */ -#ifdef CONFIG_SMP seq_printf(m, "processor\t: %d\n", i); -#endif /* * Dump out the common processor features in a single line. |