diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 12:07:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 12:07:54 -0800 |
commit | 8312f41f08edc641aa927d31fb71319694ae9c42 (patch) | |
tree | e21de0f34fa104acc35b87e6191fa3a5fe40d8eb /arch/mips/loongson64/numa.c | |
parent | 66fc6a6254c7a138aef7806bd933c218e1aefcfc (diff) | |
parent | ad4fddef5f2345aa9214e979febe2f47639c10d9 (diff) |
Merge tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- enable GCOV
- rework setup of protection map
- add support for more MSCC platforms
- add sysfs boardinfo for Loongson64
- enable KASLR for Loogson64
- add reset controller for BCM63xx
- cleanups and fixes
* tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (70 commits)
mips: fix Section mismatch in reference
MAINTAINERS: Add linux-mips mailing list to JZ47xx entries
MAINTAINERS: Remove JZ4780 DMA driver entry
MAINTAINERS: chenhc@lemote.com -> chenhuacai@kernel.org
MIPS: Octeon: irq: Alloc desc before configuring IRQ
MIPS: mm: Add back define for PAGE_SHARED
MIPS: Select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL to enable sysfs memblock debug
mips: lib: uncached: fix non-standard usage of variable 'sp'
MIPS: DTS: img: Fix schema warnings for pwm-leds
MIPS: KASLR: Avoid endless loop in sync_icache if synci_step is zero
MIPS: Move memblock_dump_all() to the end of setup_arch()
MIPS: SMP-CPS: Add support for irq migration when CPU offline
MIPS: OCTEON: Don't add kernel sections into memblock allocator
MIPS: Don't round up kernel sections size for memblock_add()
MIPS: Enable GCOV
MIPS: configs: drop unused BACKLIGHT_GENERIC option
MIPS: Loongson64: Fix up reserving kernel memory range
MIPS: mm: Remove unused is_aligned_hugepage_range
MIPS: No need to check CPU 0 in {loongson3,bmips,octeon}_cpu_disable()
mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
...
Diffstat (limited to 'arch/mips/loongson64/numa.c')
-rw-r--r-- | arch/mips/loongson64/numa.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index cf9459f79f9b..c6f0c48384f8 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -35,23 +35,6 @@ EXPORT_SYMBOL(__node_data); cpumask_t __node_cpumask[MAX_NUMNODES]; EXPORT_SYMBOL(__node_cpumask); -static void enable_lpa(void) -{ - unsigned long value; - - value = __read_32bit_c0_register($16, 3); - value |= 0x00000080; - __write_32bit_c0_register($16, 3, value); - value = __read_32bit_c0_register($16, 3); - pr_info("CP0_Config3: CP0 16.3 (0x%lx)\n", value); - - value = __read_32bit_c0_register($5, 1); - value |= 0x20000000; - __write_32bit_c0_register($5, 1, value); - value = __read_32bit_c0_register($5, 1); - pr_info("CP0_PageGrain: CP0 5.1 (0x%lx)\n", value); -} - static void cpu_node_probe(void) { int i; @@ -168,6 +151,9 @@ static void __init node_mem_init(unsigned int node) NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; if (node == 0) { + /* kernel start address */ + unsigned long kernel_start_pfn = PFN_DOWN(__pa_symbol(&_text)); + /* kernel end address */ unsigned long kernel_end_pfn = PFN_UP(__pa_symbol(&_end)); @@ -175,8 +161,8 @@ static void __init node_mem_init(unsigned int node) max_low_pfn = end_pfn; /* Reserve the kernel text/data/bss */ - memblock_reserve(start_pfn << PAGE_SHIFT, - ((kernel_end_pfn - start_pfn) << PAGE_SHIFT)); + memblock_reserve(kernel_start_pfn << PAGE_SHIFT, + ((kernel_end_pfn - kernel_start_pfn) << PAGE_SHIFT)); /* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */ if (node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) @@ -243,7 +229,8 @@ EXPORT_SYMBOL(pcibus_to_node); void __init prom_init_numa_memory(void) { - enable_lpa(); + pr_info("CP0_Config3: CP0 16.3 (0x%x)\n", read_c0_config3()); + pr_info("CP0_PageGrain: CP0 5.1 (0x%x)\n", read_c0_pagegrain()); prom_meminit(); } EXPORT_SYMBOL(prom_init_numa_memory); |