arch/riscv/errata/mips/errata.c

Source file repositories/reference/linux-study-clean/arch/riscv/errata/mips/errata.c

File Facts

System
Linux kernel
Corpus path
arch/riscv/errata/mips/errata.c
Extension
.c
Size
1537 bytes
Lines
68
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

if (alt->patch_id >= ERRATA_MIPS_NUMBER) {
			WARN(1, "MIPS errata id:%d not in kernel errata list\n",
			     alt->patch_id);
			continue;
		}

		tmp = (1U << alt->patch_id);
		if (cpu_req_errata & tmp) {
			mutex_lock(&text_mutex);
			patch_text_nosync(ALT_OLD_PTR(alt), ALT_ALT_PTR(alt),
					  alt->alt_len);
			mutex_unlock(&text_mutex);
		}
	}
}

Annotation

Implementation Notes