Commit ac51e005 authored by Zong Li's avatar Zong Li Committed by Paul Walmsley
Browse files

riscv: mm: use __pa_symbol for kernel symbols 



__pa_symbol is the marcro that should be used for kernel symbols. It is
also a pre-requisite for DEBUG_VIRTUAL which will do bounds checking.

Signed-off-by: default avatarZong Li <zong.li@sifive.com>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Signed-off-by: default avatarPaul Walmsley <paul.walmsley@sifive.com>
parent fd698849

arch/riscv/mm/init.c

+6 −6
Original line number Diff line number Diff line
@@ -99,13 +99,13 @@ static void __init setup_initrd(void) 
		pr_info("initrd not found or empty");

		goto disable;

	}

	if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {

	if (__pa_symbol(initrd_end) > PFN_PHYS(max_low_pfn)) {

		pr_err("initrd extends beyond end of memory");

		goto disable;

	}



	size = initrd_end - initrd_start;

	memblock_reserve(__pa(initrd_start), size);

	memblock_reserve(__pa_symbol(initrd_start), size);

	initrd_below_start_ok = 1;



	pr_info("Initial ramdisk at: 0x%p (%lu bytes)\n",
@@ -124,8 +124,8 @@ void __init setup_bootmem(void) 
{

	struct memblock_region *reg;

	phys_addr_t mem_size = 0;

	phys_addr_t vmlinux_end = __pa(&_end);

	phys_addr_t vmlinux_start = __pa(&_start);

	phys_addr_t vmlinux_end = __pa_symbol(&_end);

	phys_addr_t vmlinux_start = __pa_symbol(&_start);



	/* Find the memory region containing the kernel */

	for_each_memblock(memory, reg) {
@@ -445,7 +445,7 @@ static void __init setup_vm_final(void) 


	/* Setup swapper PGD for fixmap */

	create_pgd_mapping(swapper_pg_dir, FIXADDR_START,

			   __pa(fixmap_pgd_next),

			   __pa_symbol(fixmap_pgd_next),

			   PGDIR_SIZE, PAGE_TABLE);



	/* Map all memory banks */
@@ -474,7 +474,7 @@ static void __init setup_vm_final(void) 
	clear_fixmap(FIX_PMD);



	/* Move to swapper page table */

	csr_write(CSR_SATP, PFN_DOWN(__pa(swapper_pg_dir)) | SATP_MODE);

	csr_write(CSR_SATP, PFN_DOWN(__pa_symbol(swapper_pg_dir)) | SATP_MODE);

	local_flush_tlb_all();

}

#else

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