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SubjectRe: [KJ] Re: [PATCH] esp: Make driver SMP-correct
Date
On Friday 31 December 2004 17:16, Jim Nelson wrote:
>Russell King wrote:
>> On Fri, Dec 31, 2004 at 10:00:37AM +0000, Russell King wrote:
>>>On Fri, Dec 31, 2004 at 01:46:11AM -0800, Andrew Morton wrote:
>>>>James Nelson <james4765@verizon.net> wrote:
>>>>>This is an attempt to make the esp serial driver SMP-correct.
>>>>> It also removes some cruft left over from the serial_write()
>>>>> conversion.
>>>>>
>>>>>>From a quick scan:
>>>>
>>>>- startup() does multiple sleeping allocations and request_irq()
>>>> under spin_lock_irqsave(). Maybe fixed by this:
>>>
>>>However, can you guarantee that two threads won't enter startup()
>>> at the same time? (that's what ASYNC_INITIALIZED is protecting
>>> the function against, and the corresponding shutdown() as well.)
>>>
>>>It's probably better to port ESP to the serial_core structure
>>> where this type of thing is already taken care of.
>>
>> For the record, Verizon appear to have adopted silly policies.
>>
>>>>From now on, I will be removing the CC: line containing any
>>> verizon
>>
>> email address until further notice, or just plain ignoring mails
>> containing such addresses. Why? To prevent the inevitable bounce
>> caused by their misconfigured systems. None of the servers I have
>> access to on several different ISPs can connect to Verizon's
>> incoming mail server.
>>
>> See:
>>
>> http://www.broadbandreports.com/forum/remark,12116645~mode=flat~da
>>ys=9999
>>
>> particularly the last post by techie68, who claims to be a Verizon
>> tech support person.
>>
>> I encourage James Nelson to find another provider without silly
>> policies in the mean time.
>
>Another mail provider has been found. Bloody Verizon.
>
This strikes me as being some damn petty politics on verizons part.
I'm a customer because its the only game in town with affordable
broadband, by at least 30 dollars a month. So I'm stuck with it, or
a friggin dialup that is also about 30 a month more expensive.

And it seems that everytime I use the "reply all" button on this list,
I'll get at least 2 bounces because somebody elses server has
blacklisted verizon for running an open relay 2 years ago, & never
got around to lifting the ban when verizon rebuilt the systems last
spring.

One should be carefull as that shoe can fit many feet. The CC: line of
this message:

Jim Nelson <james4765@cwazy.co.uk>, Russell King
<rmk+lkml@arm.linux.org.uk>, Andrew Morton <akpm@osdl.org>,
kernel-janitors@lists.osdl.org

I'm curious as to who I will get a bounce from.

>Documentation/serial/driver mentions a reference implementation -
> serial_amba.c. Couldn't find it in the 2.6.10 kernel sources - was
> it removed, and what would be a good refernce implementation in the
> current sources?
>
>Jim
>-
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--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
99.31% setiathome rank, not too shabby for a WV hillbilly
Yahoo.com attorneys please note, additions to this message
by Gene Heskett are:
Copyright 2004 by Maurice Eugene Heskett, all rights reserved.
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