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Re: [Qemu-devel] Re: [PATCH 07/11] kvm, x86: unify sigbus handling, pr

From: Hidetoshi Seto
Subject: Re: [Qemu-devel] Re: [PATCH 07/11] kvm, x86: unify sigbus handling, prep
Date: Fri, 15 Oct 2010 10:29:25 +0900
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; ja; rv: Gecko/20100915 Thunderbird/3.1.4

(2010/10/15 9:36), Marcelo Tosatti wrote:
> On Thu, Oct 14, 2010 at 05:49:43PM +0900, Jin Dongming wrote:
>> There are 2 similar functions to handle SIGBUS:
>>   sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo,
>>                  void *ctx)
>>   kvm_on_sigbus(CPUState *env, siginfo_t *siginfo)
>> The former is used when main thread receives SIGBUS via signalfd,
>> while latter is used when vcpu thread receives SIGBUS.
>> These 2 take different siginfo, but in both case required parameters
>> are common, the code and the addr in the info.
>> Restruct functions to take the code and the addr explicitly.
>> Signed-off-by: Hidetoshi Seto <address@hidden>
>> Tested-by: Jin Dongming <address@hidden>
>> ---
>>  qemu-kvm.c |   41 ++++++++++++++++++++---------------------
>>  1 files changed, 20 insertions(+), 21 deletions(-)
> Don't see the benefit, separate functions are cleaner.

I think this is good for maintainability.
If you want to fix a bug in this area, you might have to change
2 separate functions in completely same way.
See 6c85786 and a05684e for examples.


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