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From: Oleg K. <ele...@gm...> - 2011-06-11 11:34:29
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On 06/10/2011 05:38 AM, Igmar Palsenberg wrote: > > On Jun 9, 2011, at 5:04 PM, John Reiser wrote: > >>> ==1019== Warning: noted but unhandled ioctl 0xae03 with no size/direction hints >>> ==1019== This could cause spurious value errors to appear. >>> ==1019== See README_MISSING_SYSCALL_OR_IOCTL for guidance on >>> writing a proper wrapper. >> The syscall is: >> ioctl(fd, 0xae03, ...) > Igmar Palsenberg <maillist@...> writes: > I would bet my money on KVM_CHECK_EXTENSION. The KVM ioctl() from what I can remember is two dozens of ioctl()'s, so if no > one else volenteers, I'm willing to supply a patch for this. That is, if Oleg can somehow confirm that this really is KVM. > > linux/include/linux/kvm.h has > ----- > #define KVMIO 0xAE > > #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) > ----- > and in this particular case there are only two arguments used by the ioctl, > so the valgrind Warning is just a warning: the ioctl does not access user > address space. Hello. Thanks for this explanations. This is was very helpful for me. And no, this is not KVM. It's just some bad defines in my project. --- Best regards, Oleg Kutkov. |