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-rw-r--r--arch/riscv/mm/context.c8
-rw-r--r--arch/riscv/mm/init.c7
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
index ee3459cb6750..ea54cc0c9106 100644
--- a/arch/riscv/mm/context.c
+++ b/arch/riscv/mm/context.c
@@ -233,8 +233,10 @@ static int __init asids_init(void)
local_flush_tlb_all();
/* Pre-compute ASID details */
- num_asids = 1 << asid_bits;
- asid_mask = num_asids - 1;
+ if (asid_bits) {
+ num_asids = 1 << asid_bits;
+ asid_mask = num_asids - 1;
+ }
/*
* Use ASID allocator only if number of HW ASIDs are
@@ -255,7 +257,7 @@ static int __init asids_init(void)
pr_info("ASID allocator using %lu bits (%lu entries)\n",
asid_bits, num_asids);
} else {
- pr_info("ASID allocator disabled\n");
+ pr_info("ASID allocator disabled (%lu bits)\n", asid_bits);
}
return 0;
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index c0cddf0fc22d..24b2b8044602 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -41,7 +41,7 @@ phys_addr_t phys_ram_base __ro_after_init;
EXPORT_SYMBOL(phys_ram_base);
#ifdef CONFIG_XIP_KERNEL
-extern char _xiprom[], _exiprom[];
+extern char _xiprom[], _exiprom[], __data_loc;
#endif
unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
@@ -454,10 +454,9 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size)
/* called from head.S with MMU off */
asmlinkage void __init __copy_data(void)
{
- void *from = (void *)(&_sdata);
- void *end = (void *)(&_end);
+ void *from = (void *)(&__data_loc);
void *to = (void *)CONFIG_PHYS_RAM_BASE;
- size_t sz = (size_t)(end - from + 1);
+ size_t sz = (size_t)((uintptr_t)(&_end) - (uintptr_t)(&_sdata));
memcpy(to, from, sz);
}