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| author |   Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
| commit | ef389b734691cdc8beb009dd402135dcdcb86a56 (patch) | |
| tree | 9523a37db93cb7c7874a5f18b4d9a7014898b814 /arch/x86/kernel/dumpstack_32.c | |
| parent | x86/apic: Fix signedness bug in APIC ID validity checks (diff) | |
| parent | syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention (diff) | |
| download | linux-dev-ef389b734691cdc8beb009dd402135dcdcb86a56.tar.xz linux-dev-ef389b734691cdc8beb009dd402135dcdcb86a56.zip | |
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/dumpstack_32.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack_32.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 04170f63e3a1..cd53f3030e40 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -127,45 +127,3 @@ unknown: info->type = STACK_TYPE_UNKNOWN; return -EINVAL; } - -void show_regs(struct pt_regs *regs) -{ - int i; - - show_regs_print_info(KERN_EMERG); - __show_regs(regs, !user_mode(regs)); - - /* - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ - if (!user_mode(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; - - show_trace_log_lvl(current, regs, NULL, KERN_EMERG); - - pr_emerg("Code:"); - - ip = (u8 *)regs->ip - code_prologue; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at IP */ - ip = (u8 *)regs->ip; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { - if (ip < (u8 *)PAGE_OFFSET || - probe_kernel_address(ip, c)) { - pr_cont(" Bad EIP value."); - break; - } - if (ip == (u8 *)regs->ip) - pr_cont(" <%02x>", c); - else - pr_cont(" %02x", c); - } - } - pr_cont("\n"); -} |