The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 5f1ec1fd32252af5130dac23b5542e8e66fe0bcb Gitweb: https://git.kernel.org/tip/5f1ec1fd32252af5130dac23b5542e8e66fe0bcb Author: Thomas Gleixner tglx@linutronix.de AuthorDate: Mon, 12 Oct 2020 15:11:47 +02:00 Committer: Borislav Petkov bp@suse.de CommitterDate: Tue, 13 Oct 2020 19:17:33 +02:00
x86/traps: Fix #DE Oops message regression
The conversion of #DE to the idtentry mechanism introduced a change in the Ooops message which confuses tools which parse crash information in dmesg.
Remove the underscore from 'divide_error' to restore previous behaviour.
Fixes: 9d06c4027f21 ("x86/entry: Convert Divide Error to IDTENTRY") Reported-by: Dmitry Vyukov dvyukov@google.com Signed-off-by: Thomas Gleixner tglx@linutronix.de Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/CACT4Y+bTZFkuZd7+bPArowOv-7Die+WZpfOWnEO_Wgs3U59+o... --- arch/x86/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 81a2fb7..316ce1c 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -195,7 +195,7 @@ static __always_inline void __user *error_get_trap_addr(struct pt_regs *regs)
DEFINE_IDTENTRY(exc_divide_error) { - do_error_trap(regs, 0, "divide_error", X86_TRAP_DE, SIGFPE, + do_error_trap(regs, 0, "divide error", X86_TRAP_DE, SIGFPE, FPE_INTDIV, error_get_trap_addr(regs)); }