From 003a30c643cc414617ca7f37afb8f5bde9f96fa9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=E9=BB=84=E6=B6=9B?= Date: Sat, 30 Jul 2011 22:30:40 +0800 Subject: [PATCH] Revert "[ARM] process: Add display of memory around registers when displaying regs." This reverts commit 4992adfafb41fc41427935911378210ac3243229. --- arch/arm/kernel/process.c | 73 --------------------------------------- 1 file changed, 73 deletions(-) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index eb6148fdd5e0..32d3aeae7a43 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -233,77 +233,6 @@ void machine_restart(char *cmd) arm_pm_restart(reboot_mode, cmd); } -/* - * dump a block of kernel memory from around the given address - */ -static void show_data(unsigned long addr, int nbytes, const char *name) -{ - int i, j; - int nlines; - u32 *p; - - /* - * don't attempt to dump non-kernel addresses or - * values that are probably just small negative numbers - */ - if (addr < PAGE_OFFSET || addr > -256UL) - return; - - printk("\n%s: %#lx:\n", name, addr); - - /* - * round address down to a 32 bit boundary - * and always dump a multiple of 32 bytes - */ - p = (u32 *)(addr & ~(sizeof(u32) - 1)); - nbytes += (addr & (sizeof(u32) - 1)); - nlines = (nbytes + 31) / 32; - - - for (i = 0; i < nlines; i++) { - /* - * just display low 16 bits of address to keep - * each line of the dump < 80 characters - */ - printk("%04lx ", (unsigned long)p & 0xffff); - for (j = 0; j < 8; j++) { - u32 data; - if (probe_kernel_address(p, data)) { - printk(" ********"); - } else { - printk(" %08x", data); - } - ++p; - } - printk("\n"); - } -} - -static void show_extra_register_data(struct pt_regs *regs, int nbytes) -{ - mm_segment_t fs; - - fs = get_fs(); - set_fs(KERNEL_DS); - show_data(regs->ARM_pc - nbytes, nbytes * 2, "PC"); - show_data(regs->ARM_lr - nbytes, nbytes * 2, "LR"); - show_data(regs->ARM_sp - nbytes, nbytes * 2, "SP"); - show_data(regs->ARM_ip - nbytes, nbytes * 2, "IP"); - show_data(regs->ARM_fp - nbytes, nbytes * 2, "FP"); - show_data(regs->ARM_r0 - nbytes, nbytes * 2, "R0"); - show_data(regs->ARM_r1 - nbytes, nbytes * 2, "R1"); - show_data(regs->ARM_r2 - nbytes, nbytes * 2, "R2"); - show_data(regs->ARM_r3 - nbytes, nbytes * 2, "R3"); - show_data(regs->ARM_r4 - nbytes, nbytes * 2, "R4"); - show_data(regs->ARM_r5 - nbytes, nbytes * 2, "R5"); - show_data(regs->ARM_r6 - nbytes, nbytes * 2, "R6"); - show_data(regs->ARM_r7 - nbytes, nbytes * 2, "R7"); - show_data(regs->ARM_r8 - nbytes, nbytes * 2, "R8"); - show_data(regs->ARM_r9 - nbytes, nbytes * 2, "R9"); - show_data(regs->ARM_r10 - nbytes, nbytes * 2, "R10"); - set_fs(fs); -} - void __show_regs(struct pt_regs *regs) { unsigned long flags; @@ -362,8 +291,6 @@ void __show_regs(struct pt_regs *regs) printk("Control: %08x%s\n", ctrl, buf); } #endif - - show_extra_register_data(regs, 128); } void show_regs(struct pt_regs * regs) -- 2.34.1