Re: [google] support for building Linux kernel with FDO (issue4523061)

[vulcansh]

Rong Xu wrote:
> 
> That will be good.
> But you never know, we internally have fixed some bugs that filed to
> us because people use kernel's old gcov code (many versions guarded by
> ifdef) for their tests.
> 
> -Rong
> 

Has there been any progress one this patch?  What version of gcc is this
patch for?  I am interested in something that works with gcc 4.7.

-Steve

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Re: [google] support for building Linux kernel with FDO (issue4523061)

[vulcansh]

I found this thread through a Google search so I didn't have much context. 
Can you point me to the google/main source repo for gcc and the kernel?  Are
there plans to migrate this patch to the gcc and Linux mainline?

Sorry, but I have never used the PGO option in icc.

Steve


Xinliang David Li wrote:
> 
> This patch is for google/main which is 4.7 based, but the validated
> version is in google_46 branch (which is based on 4.6).
> 
> By the way (given that you are from intel),  do you know if linux
> kernel can be built with icc with PGO turned on? Our intern Xiaotian
> has tried to use icc (12.0) to built kernel, and had some problems.
> The bootable kernel built with icc + gcc (for those failed with icc)
> does not perform quite well.
> 

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