Commit 837ebf0e authored by David S. Miller's avatar David S. Miller
Browse files

sparc32: Kill boot_cpu_id4 



It is written, but never actually read.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0bfcee9a

arch/sparc/include/asm/setup.h

+0 −1
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ extern char reboot_command[]; 
 * Only sun4d + leon may have boot_cpu_id != 0

 */

extern unsigned char boot_cpu_id;

extern unsigned char boot_cpu_id4;



extern unsigned long empty_bad_page;

extern unsigned long empty_bad_page_table;

arch/sparc/kernel/head_32.S

+1 −4
Original line number Diff line number Diff line
@@ -819,10 +819,7 @@ continue_boot: 
		mov	%g0, %g3

		stub	%g3, [%g2 + %lo(boot_cpu_id)]



1:		/* boot_cpu_id set. calculate boot_cpu_id4 = boot_cpu_id*4 */

		sll	%g3, 2, %g3

		sethi	%hi(boot_cpu_id4), %g2

		stub	%g3, [%g2 + %lo(boot_cpu_id4)]

1:		sll	%g3, 2, %g3



		/* Initialize the uwinmask value for init task just in case.

		 * But first make current_set[boot_cpu_id] point to something useful.

arch/sparc/kernel/setup_32.c

+0 −1
Original line number Diff line number Diff line
@@ -105,7 +105,6 @@ unsigned long cmdline_memory_size __initdata = 0; 


/* which CPU booted us (0xff = not set) */

unsigned char boot_cpu_id = 0xff; /* 0xff will make it into DATA section... */

unsigned char boot_cpu_id4; /* boot_cpu_id << 2 */



static void

prom_console_write(struct console *con, const char *s, unsigned n)

CRA Git | Maintained and supported by SUSTech CRA and CCSE