Use of GCC __attribute__(("FIQ")) in Linux kernel?
nicolas.pitre at linaro.org
Tue May 17 17:52:04 UTC 2011
On Wed, 18 May 2011, Chung-Lin Tang wrote:
> Hi kernel folks,
> there's an upstream GCC PR about banked registers not being properly
> utilized in FIQ routines, specified by GCC attibutes, see here:
> I was just wondering, is this GCC __attribute__(("FIQ")) feature used in
> the Linux kernel as well, or are the entry paths in Linux already done
> in assembler?
All FIQ related code in the kernel is in assembler.
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