Matthew Dillon wrote:
> As it is, I have invested a great
> deal of time and effort on this patch and it is damn well going to go
> in so I can move on.
Too bad you don't have your own P4 branch... then this would
not hold you up.
(ducks)
;^)
-- Terry
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It kinda sounds like the interrupt/trap code that calls into
kern/subr_trap.c should be responsible for placing us in a
critical section. kern/subr_trap.c has no business making
assumptions in regards to cpu_critical_enter()/cpu_critical_exit()
(for the same reason that fork_
:
:On Mon, 25 Feb 2002, Matthew Dillon wrote:
:
:> Unless an unforseen problem arises, I am going to commit this tomorrow
:> and then start working on a cleanup patch. I have decided to
:
:Please wait for jhb's opinion on it. He seems to be offline again.
:I think he has plans and mayb
On Mon, 25 Feb 2002, Matthew Dillon wrote:
> Unless an unforseen problem arises, I am going to commit this tomorrow
> and then start working on a cleanup patch. I have decided to
Please wait for jhb's opinion on it. He seems to be offline again.
I think he has plans and maybe even cod
Unless an unforseen problem arises, I am going to commit this tomorrow
and then start working on a cleanup patch. I have decided to
keep the sysctl instrumentation intact for the moment so people who
experience panics or lockups can turn it off to see whether that was the
cau
On Sun, 24 Feb 2002, Andrew Gallatin wrote:
>
> I'm not fluent in x86 asm, so can you confirm for me what you're
> attempting to do here?
>
> I think you're making critical_enter()/critical_exit() cheaper by not
> actually messing with the interrupt hardware when they're called.
> Very much like
On Sun, 24 Feb 2002, Matthew Dillon wrote:
> ...
> :If so, I'm wondering if this is even possible on alpha, where we don't
> :have direct access to the hardware. However, according to the psuedo
> :code for rti in the Brown book, munging with the saved PSL in
> :trapframe to set the IPL should
On Sun, 24 Feb 2002, Matthew Dillon wrote:
> :On Sun, 24 Feb 2002, Matthew Dillon wrote:
> :> * Additional cpu_critical_enter/exit() calls around icu_lock. Since
> :> critical_enter() no longer disables interrupts, special care must
> :> be taken when dealing with the icu_lock sp
:
:On Sun, 24 Feb 2002, Matthew Dillon wrote:
:
:> * debug.critical_mode sysctl. This will not be in the final commit,
:> nor will any of the code that tests the variable. The final commit
:> will use code as if the critical_mode were '1'.
:
:Won't it be needed for longer for no
On Sun, 24 Feb 2002, Matthew Dillon wrote:
> NOTES:
>
> I would like to thank Bruce for supplying the sample code that allowed
> me to do this in a day instead of several days.
Thanks.
> * debug.critical_mode sysctl. This will not be in the final commit,
> nor will any of the
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