New: Consistent the size type. New logic to use.
http://bugzilla.kernel.org/show_bug.cgi?id=14328
Summary: Consistent the size type. New logic to use.
Product: Documentation
Version: unspecified
Kernel Version: 2.6.30.9
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: man-pages
AssignedTo: documentation_man-pages-ztI5WcYan/[email protected]
ReportedBy: vik-cfgfcfnPGrx6k2ZkT/[email protected]
Regression: No
It is possible to do consistent the sizeof(). Just the size type be unsigned. Next is sample:
unsigned long *p,*p2,length;
p=some_value;
p2=p;
length=sizeof(type_or_lvalue);
p+=length;
if(p<p2)
catch_overrun...
*p=some_value2;
However the error codes is negative so it is hard to accept big size. Are the race of system calls and kernel subroutines is different?
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A message that is not in the archive (sent off-list or not yet received): bug-14328-11311-V0hAGp6uBxO456/isadD/[email protected]/
[Bug 14328] Consistent the size type. New logic to use.
http://bugzilla.kernel.org/show_bug.cgi?id=14328
Victor Mineev <vik-cfgfcfnPGrx6k2ZkT/[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
--- Comment #1 from Victor Mineev <vik-cfgfcfnPGrx6k2ZkT/[email protected]> 2009-10-06 08:54:14 --- Lazy algorithm is the right thing to do. Do user space read a lot better. Let
protect high half of memory region as read/write disabled. So data begin can go
to user space fast soon. And lazy detect of negative size value become true. Is
the kernel do read syncronicly? It is so fantastic to test where is a kvm guest
do the last access.
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[Bug 14328] Consistent the size type. New logic to use.
In reply to a message not in the archivehttp://bugzilla.kernel.org/show_bug.cgi?id=14328
Alexey Dobriyan <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected] AssignedTo|documentation_man-pages@ker |[email protected] |nel-bugs.osdl.org |
--- Comment #2 from Alexey Dobriyan <[email protected]> 2009-11-01 11:00:19 --- It's impossible to understand what do you want.
Write me a letter in Russian.
Напиши мне письмо по-русски.
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