Re: Why sparse does not support context tracking?

2015-05-04 Thread Alexander Riesen
On 05/04/2015 03:38 PM, Johannes Berg wrote: On Mon, 2015-05-04 at 13:05 +0200, Alexander Riesen wrote: >> >> Revert the context tracking code >> >> So it seems that the code has problems with different contexts. Still, it seems >> a bit heavy-handed to rem

Why sparse does not support context tracking?

2015-05-04 Thread Alexander Riesen
Hi, I tried to instrument my code (a kernel driver) with __must_hold hints and noticed that they don't really work: a definitely broken code caused no errors from sparse. A test in the "sparse" tree confirmed. Here is the test I used: static int ctx; static void must_hold(void) __attribute__((

[CRASH] 2.4.2-ac20: kernel: memory.c:83: bad pmd 4f433232.

2001-03-20 Thread Alexander Riesen
Hi, all Simply crashed. No oops-screens. And fast rebooted :) Under middle load. Nothing serious. Workstation, running XFree86 4.0.2, simple programs eating megabytes. Alex Riesen Traian AG P.S.: >From syslog: Mar 20 15:41:48 ws018 -- MARK -- Mar 20 15:49:00 ws018 kernel: emory.c:83: bad pmd 5

PROBLEM: SO_DETACH_FILTER has no parameters, but is checked to have some

2000-12-08 Thread Alexander Riesen
tils 2.0 Modules Loaded 3c59x nls_koi8-r ntfs smbfs vfat fat nls_iso8859-2 nls_iso8859-1 nls_cp866 binfmt_misc autofs nfs lockd sunrpc nbd Sincerely yours, Alexander Riesen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [E

af_packet: recvfrom causing high processor load in system

2000-10-13 Thread Alexander Riesen
al. I have tried two NICs (3COM with 3c90x and Kingstone with tulip), in promiscuous and normal mode - with the same effect. Any help and/or information about this/such problem is greatly appreciated. Does it cause dropping of packets ? Is there a way to workaround the processor load ? Cheers,