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| author | Huacai Chen <chenhuacai@loongson.cn> | 2024-01-17 12:43:08 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2024-01-17 12:43:08 +0800 |
| commit | ce68ff3528e6eff4a1a4770600ec6c66779ba7b9 (patch) | |
| tree | 68e2a79568120fc88a3b99f4a1ce827002eb6599 /arch/loongarch/include | |
| parent | d23b77953f5a4fbf94c05157b186aac2a247ae32 (diff) | |
| download | linux-stable-ce68ff3528e6eff4a1a4770600ec6c66779ba7b9.tar.gz linux-stable-ce68ff3528e6eff4a1a4770600ec6c66779ba7b9.tar.bz2 linux-stable-ce68ff3528e6eff4a1a4770600ec6c66779ba7b9.zip | |
LoongArch: Let cores_io_master cover the largest NR_CPUS
Now loongson_system_configuration::cores_io_master only covers 64 cpus,
if NR_CPUS > 64 there will be memory corruption. So let cores_io_master
cover the largest NR_CPUS (256).
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include')
| -rw-r--r-- | arch/loongarch/include/asm/bootinfo.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h index c60796869b2b..6d5846dd075c 100644 --- a/arch/loongarch/include/asm/bootinfo.h +++ b/arch/loongarch/include/asm/bootinfo.h @@ -24,13 +24,15 @@ struct loongson_board_info { const char *board_vendor; }; +#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG) + struct loongson_system_configuration { int nr_cpus; int nr_nodes; int boot_cpu_id; int cores_per_node; int cores_per_package; - unsigned long cores_io_master; + unsigned long cores_io_master[NR_WORDS]; unsigned long suspend_addr; const char *cpuname; }; @@ -42,7 +44,7 @@ extern struct loongson_system_configuration loongson_sysconf; static inline bool io_master(int cpu) { - return test_bit(cpu, &loongson_sysconf.cores_io_master); + return test_bit(cpu, loongson_sysconf.cores_io_master); } #endif /* _ASM_BOOTINFO_H */ |