Messages in this thread | | | Subject | Re: [PATCH 1/1] x86/microcode: vsnprintf() might be unavailable | From | Andy Shevchenko <> | Date | Tue, 02 Jun 2015 19:49:53 +0300 |
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On Tue, 2015-06-02 at 18:24 +0200, Borislav Petkov wrote: > On Tue, Jun 02, 2015 at 05:56:43PM +0300, Andy Shevchenko wrote: > > On Intel CPUs with x32 kernels we call load_builtin_intel_microcode() from > > head_32.S on quite earlier stage. At that point sprintf() might be out of scope > > to be called. > > Hrrm, I don't get that. How can sprintf() be out of scope?
Initial paging setup is involved? I just sent a small update to previous patch. Please, look at it.
> > Testing on 32-bit was successful here. How is x32 different?
Hmm… which Intel CPUs you run on?
Ah, one more thing we run our kernel from kexec (I hope it's not a case, but who knows).
> > Thanks. >
-- Andy Shevchenko <andriy.shevchenko@intel.com> Intel Finland Oy
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