Messages in this thread | | | Date | Mon, 7 Feb 2005 12:44:15 +0100 | From | Ingo Molnar <> | Subject | Re: out-of-line x86 "put_user()" implementation |
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* Linus Torvalds <torvalds@osdl.org> wrote:
> I no longer use x86 as my main machine, so this patch is totally > untested. I've compiled it to see that things look somewhat sane, but > that doesn't mean much. If I forgot some register or screwed something > else up, this will result in a totally nonworking kernel, but I > thought that maybe somebody else would be interested in looking at > whether this (a) works, (b) migth even shrink the kernel and (c) might > make us able to DTRT wrt the page table following crud (old i386 cores > may be hard to find these days, so maybe people don't care).
boots fine and shrinks the image size quite noticeably:
[Nr] Name Type Addr Off Size [ 1] .text PROGBITS c0100000 001000 2771a9 [vmlinux-orig] [ 1] .text PROGBITS c0100000 001000 2742dd [vmlinux-patched]
that's 11980 bytes off a 2585001 bytes .text, a 0.5% size reduction. This patch we want ...
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