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Re: [google] support for building Linux kernel with FDO (issue4523061)
- From: Xinliang David Li <davidxl at google dot com>
- To: vulcansh <steven dot t dot hampson at intel dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Rong Xu <xur at google dot com>, Tian <tianxiao at google dot com>
- Date: Thu, 13 Oct 2011 21:28:51 -0700
- Subject: Re: [google] support for building Linux kernel with FDO (issue4523061)
- References: <20110513010336.E567FC2972@rong.mtv.corp.google.com> <4DCD29EE.9000905@gnu.org> <BANLkTi=osFxr8ZB54o36Wnz7h+k6zdtt0g@mail.gmail.com> <20110515102752.GF31449@atrey.karlin.mff.cuni.cz> <m2pqniz2ww.fsf@firstfloor.org> <BANLkTimXSqW-6iG3mroFxP0V6XFtg8C_tg@mail.gmail.com> <m2liy6z0uz.fsf@firstfloor.org> <BANLkTikjvBCT1OikgkyXGtiGc9jfv3Jmfw@mail.gmail.com> <32649731.post@talk.nabble.com>
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.
Thanks,
David
On Thu, Oct 13, 2011 at 7:02 PM, vulcansh <steven.t.hampson@intel.com> wrote:
>
>
> 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
>
> --
> View this message in context: http://old.nabble.com/-google---support-for-building-Linux-kernel-with-FDO-%28issue4523061%29-tp31607746p32649731.html
> Sent from the gcc - patches mailing list archive at Nabble.com.
>
>