Messages in this thread |  | | Subject | Re: Question: Using floating point in the kernel | From | Marcus Sundberg <> | Date | 19 Sep 2000 19:20:58 +0200 |
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mjvines@undergrad.math.uwaterloo.ca (Michael Vines) writes:
> I was just wondering if you can use floating point while servicing a > syscall in the kernel? Doing a > find -name \*.c -exec grep float {} \; -print > turned up a couple drivers that seem to be using fp. Are there any > known issues that I should to be aware off?
You can not use floating point in the kernel, for the reasons Richard gave you.
That said, after some checking I actually did find two offenders that generate floating point instructions in 2.4.0-test6.
These are: drivers/video/sgivwfb.c and drivers/video/sisfb.c (authors cc:ed)
//Marcus -- -------------------------------+----------------------------------- Marcus Sundberg | Phone: +46 707 452062 Embedded Systems Consultant | Email: marcus@cendio.se Cendio Systems AB | http://www.cendio.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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