Description:
Linux-specific topics not covered by other groups.
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An interrupt handler can call function sprintf()?
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Hi,
I remember it said that C lib function printf() cannot be called in a device driver in Linux. Today I come across the following code snippet. I wonder that sprintf function can be called in the interrupt function?
Interrupt function is part of device driver or not?
Please clarify those concepts if you can. Thanks.... more »
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What stacks are there in TCP
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Hi,
Excuse me, I post this question because I do not know other group can be fit for it. Please tell me if you know a more relevant group. I read an article on raw API, see below please. I do not know what it means for "other TCP stacks". Could you explain it to me?
Thanks
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swap
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...
[Cross-posting to news:comp.os.linux.misc, news:alt.os.linux,
but leaving the Followup-To: set to news:alt.os.development.]
[...]
> About split partitions and extra files (loonix SWAP, windoze
> pagefile): I never understood the reason for copying data on disk
> onto disk when not enough RAM is available. We always can read from... more »
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This is an error or not, about 'm'
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Hi,
On Linux Device Drivers, it gives the following example. I want to try this command 'm /proc/interrupts' on a OPENSUSE computer, but it doesn't recognize m. What is wrong? Is it a typo or the computer lost some files?
Thanks,
..................
10.2.1. The /proc Interface
Whenever a hardware interrupt reaches the processor, an internal counter is incremented, providing a way to check whether the device is working as expected. Reported interrupts are shown in /proc/interrupts. The following snapshot was taken on a two-processor Pentium system:... more »
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HP Pavilion 20-b110z All in One PC an Addition of High Performance technology with simple setup and space saving
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HP Pavilion 20-b110z is a new addition in the computer technology. It is designed for combining high performance and enhanced media technology for simple setup and space saving. You can now benefit from fast, fluid performance and enriched multimedia with our newly designed HP Pavilion 20 All-in-One Desktop. Control your music, photos and videos remotely, and save space in style with the slim design and one-wire setup. For more details please visit Computersspecs.com... more »
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There are or are not shared resources in this device driver example
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Hi,
I read Linux Device Drivers, 3rd edition. I do not understand an example on locking mechanism in Chapter 5. On page 107, it first gave the memory allocation to show the potential racing:
////////////////////////////
Let us take a quick look at a fragment of the scull memory management code. Deep... more »
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Using Subversion (svn) to manage website files?
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[Apologies if you have seen this already: I didn't get any replies to
my post in more local groups, so re-posting to worldwide groups.
Apologies in particular if this is only tenuously on-topic in the
programming groups, more a question about a programming utility, rather
than about programming itself..]... more »
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