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Open Source and information security mailing list archives
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Date: Thu, 13 Dec 2007 09:07:30 +0000 From: "Jan Beulich" <jbeulich@...ell.com> To: <tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com> Cc: <linux-kernel@...r.kernel.org> Subject: [PATCH] x86-64: eliminate dead code Signed-off-by: Jan Beulich <jbeulich@...ell.com> arch/x86/kernel/entry_64.S | 4 ---- arch/x86/kernel/traps_64.c | 3 --- 2 files changed, 7 deletions(-) --- linux-2.6.24-rc5/arch/x86/kernel/entry_64.S 2007-12-12 16:48:17.000000000 +0100 +++ 2.6.24-rc5-x86_64-dead-code/arch/x86/kernel/entry_64.S 2007-12-04 16:09:33.000000000 +0100 @@ -1087,10 +1087,6 @@ ENTRY(coprocessor_segment_overrun) zeroentry do_coprocessor_segment_overrun END(coprocessor_segment_overrun) -ENTRY(reserved) - zeroentry do_reserved -END(reserved) - /* runs on exception stack */ ENTRY(double_fault) XCPT_FRAME --- linux-2.6.24-rc5/arch/x86/kernel/traps_64.c 2007-12-12 16:48:17.000000000 +0100 +++ 2.6.24-rc5-x86_64-dead-code/arch/x86/kernel/traps_64.c 2007-12-04 16:09:33.000000000 +0100 @@ -69,7 +69,6 @@ asmlinkage void general_protection(void) asmlinkage void page_fault(void); asmlinkage void coprocessor_error(void); asmlinkage void simd_coprocessor_error(void); -asmlinkage void reserved(void); asmlinkage void alignment_check(void); asmlinkage void machine_check(void); asmlinkage void spurious_interrupt_bug(void); @@ -646,12 +645,10 @@ DO_ERROR_INFO( 0, SIGFPE, "divide error DO_ERROR( 4, SIGSEGV, "overflow", overflow) DO_ERROR( 5, SIGSEGV, "bounds", bounds) DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->rip) -DO_ERROR( 7, SIGSEGV, "device not available", device_not_available) DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) -DO_ERROR(18, SIGSEGV, "reserved", reserved) /* Runs on IST stack */ asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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