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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-06-04 13:50:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-06-04 13:50:23 -0700 |
| commit | 23df9ba64bb9e26cfee6b34f5c3ece49a8a61ee1 (patch) | |
| tree | fdf7e069a458588c88fae7c59704c6ab7dc10b30 /arch | |
| parent | 4ccbe91de91a8f9559052179d15c0229a8ac9f8a (diff) | |
| parent | b046f984814af7985f444150ec28716d42d00d9a (diff) | |
Merge tag 'for-5.19/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull more parisc architecture updates from Helge Deller:
"A fix to prevent crash at bootup if CONFIG_SCHED_MC is enabled, and
add auto-detection of primary graphics card for framebuffer driver"
* tag 'for-5.19/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc/stifb: Keep track of hardware path of graphics card
parisc/stifb: Implement fb_is_primary_device()
parisc: fix a crash with multicore scheduler
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/include/asm/fb.h | 4 | ||||
| -rw-r--r-- | arch/parisc/kernel/processor.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/topology.c | 16 |
3 files changed, 5 insertions, 17 deletions
diff --git a/arch/parisc/include/asm/fb.h b/arch/parisc/include/asm/fb.h index c4cd6360f996..d63a2acb91f2 100644 --- a/arch/parisc/include/asm/fb.h +++ b/arch/parisc/include/asm/fb.h @@ -12,9 +12,13 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; } +#if defined(CONFIG_STI_CONSOLE) || defined(CONFIG_FB_STI) +int fb_is_primary_device(struct fb_info *info); +#else static inline int fb_is_primary_device(struct fb_info *info) { return 0; } +#endif #endif /* _ASM_FB_H_ */ diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 26eb568f8b96..dddaaa6e7a82 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -327,8 +327,6 @@ int init_per_cpu(int cpunum) set_firmware_width(); ret = pdc_coproc_cfg(&coproc_cfg); - store_cpu_topology(cpunum); - if(ret >= 0 && coproc_cfg.ccr_functional) { mtctl(coproc_cfg.ccr_functional, 10); /* 10 == Coprocessor Control Reg */ diff --git a/arch/parisc/kernel/topology.c b/arch/parisc/kernel/topology.c index 9696e3cb6a2a..b9d845e314f8 100644 --- a/arch/parisc/kernel/topology.c +++ b/arch/parisc/kernel/topology.c @@ -20,8 +20,6 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices); -static int dualcores_found; - /* * store_cpu_topology is called at boot when only one cpu is running * and with the mutex cpu_hotplug.lock locked, when several cpus have booted, @@ -60,7 +58,6 @@ void store_cpu_topology(unsigned int cpuid) if (p->cpu_loc) { cpuid_topo->core_id++; cpuid_topo->package_id = cpu_topology[cpu].package_id; - dualcores_found = 1; continue; } } @@ -80,22 +77,11 @@ void store_cpu_topology(unsigned int cpuid) cpu_topology[cpuid].package_id); } -static struct sched_domain_topology_level parisc_mc_topology[] = { -#ifdef CONFIG_SCHED_MC - { cpu_coregroup_mask, cpu_core_flags, SD_INIT_NAME(MC) }, -#endif - - { cpu_cpu_mask, SD_INIT_NAME(DIE) }, - { NULL, }, -}; - /* * init_cpu_topology is called at boot when only one cpu is running * which prevent simultaneous write access to cpu_topology array */ void __init init_cpu_topology(void) { - /* Set scheduler topology descriptor */ - if (dualcores_found) - set_sched_topology(parisc_mc_topology); + reset_cpu_topology(); } |