Messages in this thread | | | Date | Wed, 6 Mar 2002 20:39:36 +0000 | From | Russell King <> | Subject | Re: Serial.c BUG 2.4.x-2.5x |
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On Fri, Mar 01, 2002 at 11:07:03AM -0800, Ed Vance wrote: > On Fri, Mar 01, 2002 at 4:19 AM, Roman Kurakin wrote: > > > > Who is responsible person for applying [serial driver] patches > > to main tree?
This particular bug has already been fixed in the rewrite, as I originally said back on 14 November 2001.
The patch does fine for the most part, but I have two worries:
1. the possibilities of pushing through changes in the IO or memory space by changing the other space at the same time. (ie, port = 1, iomem = 0xfe007c00 and you already have a line at port = 0, iomem = 0xfe007c00). I delt with this properly using the resource management subsystem.
2. there seems to be a lack of security considerations for changing the iomem address. (ie, changing the iomem address without CAP_SYS_ADMIN. I added this as an extra check for change_port)
> I then asked Russell to set the rules for this co-ordination and no response > has been forthcoming. Perhaps he missed my question?
I have a fair bit of email backed up at the moment, but I have been in contact with Ted T'so recently. I won't say much more at the moment, but should have something in a month or two. Until then I'd rather not say too much publically.
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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