From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Exception handling and recovery
Date: Wed, 13 Mar 2002 05:32:39 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905254@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905250@msgid-missing>
>>>>> On Wed, 13 Mar 2002 16:22:45 +1100, Keith Owens <kaos@sgi.com> said:
Keith> Exactly. IMHO ia64_fault should always
Keith> search_exception_table(), even if kdb is not installed.
Keith> Other architectures use exception tables to detect if the
Keith> hardware supports extra instructions, registers, MSR values
IA-64 has CPUID, PAL, SAL, and ACPI for such purposes.
Keith> etc., exception recovery should be general purpose.
Generality for the sake of generality only results in bloat. The
exception handling should be used where it makes sense. Outside of
debugging, there is no good reason to search the exception tables in
ia64_fault(). In fact, it might only end up hiding real kernel bugs.
--david
next prev parent reply other threads:[~2002-03-13 5:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-13 3:53 [Linux-ia64] Exception handling and recovery Keith Owens
2002-03-13 4:51 ` David Mosberger
2002-03-13 5:22 ` Keith Owens
2002-03-13 5:32 ` David Mosberger [this message]
2002-03-13 13:58 ` Jack Steiner
2002-03-13 14:08 ` Keith Owens
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