From 837ebf0ec78ec6c724b904a3e3e933a1bc72a7b7 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 19 May 2012 21:40:50 -0700 Subject: [PATCH] sparc32: Kill boot_cpu_id4 It is written, but never actually read. Signed-off-by: David S. Miller --- arch/sparc/include/asm/setup.h | 1 - arch/sparc/kernel/head_32.S | 5 +---- arch/sparc/kernel/setup_32.c | 1 - 3 files changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h index 00497ab..84a8a49 100644 --- a/arch/sparc/include/asm/setup.h +++ b/arch/sparc/include/asm/setup.h @@ -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; diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 69645ca..a0ec4ad 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -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. diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 2f7cfb5..635df5c 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -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) -- 2.7.4