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Commit 10147570 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Kill all external references to sp_banks[] 



Thus, we can mark sp_banks[] static in arch/sparc64/mm/init.c

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0836a0eb

arch/sparc64/kernel/traps.c

+6 −27
Original line number Diff line number Diff line
@@ -757,26 +757,12 @@ void __init cheetah_ecache_flush_init(void) 
	ecache_flush_size = (2 * largest_size);

	ecache_flush_linesize = smallest_linesize;



	/* Discover a physically contiguous chunk of physical

	 * memory in 'sp_banks' of size ecache_flush_size calculated

	 * above.  Store the physical base of this area at

	 * ecache_flush_physbase.

	 */

	for (node = 0; ; node++) {

		if (sp_banks[node].num_bytes == 0)

			break;

		if (sp_banks[node].num_bytes >= ecache_flush_size) {

			ecache_flush_physbase = sp_banks[node].base_addr;

			break;

		}

	}

	ecache_flush_physbase = find_ecache_flush_span(ecache_flush_size);



	/* Note: Zero would be a valid value of ecache_flush_physbase so

	 * don't use that as the success test. :-)

	 */

	if (sp_banks[node].num_bytes == 0) {

	if (ecache_flush_physbase == ~0UL) {

		prom_printf("cheetah_ecache_flush_init: Cannot find %d byte "

			    "contiguous physical memory.\n", ecache_flush_size);

			    "contiguous physical memory.\n",

			    ecache_flush_size);

		prom_halt();

	}
@@ -1345,16 +1331,9 @@ static int cheetah_fix_ce(unsigned long physaddr) 
/* Return non-zero if PADDR is a valid physical memory address. */

static int cheetah_check_main_memory(unsigned long paddr)

{

	int i;

	unsigned long vaddr = PAGE_OFFSET + paddr;



	for (i = 0; ; i++) {

		if (sp_banks[i].num_bytes == 0)

			break;

		if (paddr >= sp_banks[i].base_addr &&

		    paddr < (sp_banks[i].base_addr + sp_banks[i].num_bytes))

			return 1;

	}

	return 0;

	return kern_addr_valid(vaddr);

}



void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar)

arch/sparc64/mm/fault.c

+0 −2
Original line number Diff line number Diff line
@@ -32,8 +32,6 @@ 


#define ELEMENTS(arr) (sizeof (arr)/sizeof (arr[0]))



extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];



/*

 * To debug kernel to catch accesses to certain virtual/physical addresses.

 * Mode = 0 selects physical watchpoints, mode = 1 selects virtual watchpoints.

arch/sparc64/mm/init.c

+22 −1
Original line number Diff line number Diff line
@@ -41,7 +41,14 @@ 


extern void device_scan(void);



struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];

struct sparc_phys_banks {

	unsigned long base_addr;

	unsigned long num_bytes;

};



#define SPARC_PHYS_BANKS 32



static struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];



unsigned long *sparc64_valid_addr_bitmap __read_mostly;
@@ -1425,6 +1432,20 @@ void kernel_map_pages(struct page *page, int numpages, int enable) 
}

#endif



unsigned long __init find_ecache_flush_span(unsigned long size)

{

	unsigned long i;



	for (i = 0; ; i++) {

		if (sp_banks[i].num_bytes == 0)

			break;

		if (sp_banks[i].num_bytes >= size)

			return sp_banks[i].base_addr;

	}



	return ~0UL;

}



static void __init prom_probe_memory(void)

{

	struct linux_mlist_p1275 *mlist;

include/asm-sparc64/page.h

+0 −17
Original line number Diff line number Diff line
@@ -140,23 +140,6 @@ extern unsigned long page_to_pfn(struct page *); 
#define virt_to_phys __pa

#define phys_to_virt __va



/* The following structure is used to hold the physical

 * memory configuration of the machine.  This is filled in

 * probe_memory() and is later used by mem_init() to set up

 * mem_map[].  We statically allocate SPARC_PHYS_BANKS of

 * these structs, this is arbitrary.  The entry after the

 * last valid one has num_bytes==0.

 */



struct sparc_phys_banks {

	unsigned long base_addr;

	unsigned long num_bytes;

};



#define SPARC_PHYS_BANKS 32



extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];



#endif /* !(__ASSEMBLY__) */



#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \

include/asm-sparc64/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -342,6 +342,7 @@ extern pgd_t swapper_pg_dir[2048]; 
extern pmd_t swapper_low_pmd_dir[2048];



extern void paging_init(void);

extern unsigned long find_ecache_flush_span(unsigned long size);



/* These do nothing with the way I have things setup. */

#define mmu_lockarea(vaddr, len)		(vaddr)