linux-kernel - Re: KVM overflows the stack

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Message-ID: <487EE9C9.2050108@qumranet.com>
Date:	Thu, 17 Jul 2008 09:42:17 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kvm-devel <kvm@...r.kernel.org>,
	"Anthony N. Liguori [imap]" <aliguori@...ibm.com>
Subject: Re: KVM overflows the stack

Dave Hansen wrote:
>   
>> switch (...) {
>>     case x: {
>>          struct medium a;
>>          ...
>>     }
>>     case y:
>>           struct medium b;
>>           ...
>>     }
>> };
>>
>> These could be solved either by stack allocation, or by moving into 
>> functions marked noinline.  Whichever is easier.
>>     
>
> Did you mean dynamic allocation? :)
>
>   

Yeah.  Too early in the morning for me.

Roland's trick might be easier than either, though.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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