Re: [PATCH] Added call parameter to track whether invocation originated with guest or elsewhere

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On 10/17/2012 04:09 PM, Marcelo Tosatti wrote:
> On Wed, Oct 17, 2012 at 12:35:33PM +0200, Avi Kivity wrote:
>> On 10/17/2012 04:10 AM, Will Auld wrote:
>> > Signed-off-by: Will Auld <will.auld@xxxxxxxxx>
>> > ---
>> > 
>> > Resending to full list
>> > 
>> > Marcelo,
>> > 
>> > This patch is what I believe you ask for as foundational for later
>> > patches to address IA32_TSC_ADJUST. 
>> > 
>> 
>> Please write a changelog to reflect the motivation.
>> 
>> All those bool parameters scattered all over the place aren't very
>> pretty.  Usually we solve this with helpers that embed the parameter
>> name (kvm_set_msr() vs. kvm_set_msr_host()) but there are too many
>> functions for this to work here.
>> 
>> Marcelo, any ideas?
> 
> Its easier to read
> 
> kvm_x86_ops->kvm_set_msr()
> kvm_x86_ops->kvm_set_msr_host()
> 
> then
> 
> kvm_x86_ops->kvm_set_msr(,false)
> kvm_x86_ops->kvm_set_msr(,true)
> 
> So you're right.

Yes, but we have a million functions for setting MSRs.

Maybe

struct msr {
    bool host_requested;
    u32 index;
    u64 data;
};

and change all the APIs to use that.


-- 
error compiling committee.c: too many arguments to function
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