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sparc32: Kill boot_cpu_id4

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It is written, but never actually read.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-05-19 21:40:50 -07:00
parent 0bfcee9ad3
commit 837ebf0ec7
3 changed files with 1 additions and 6 deletions
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1
arch/sparc/include/asm/setup.h
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@ -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;

5
arch/sparc/kernel/head_32.S
View File

@ -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.

1
arch/sparc/kernel/setup_32.c
View File

@ -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)