Hi,
> I complete agree with you to take over the two patches.
> Since you ported these testcases from Crackerjack, it's better you improve
> the cases in a large scale. I just tested some of them and returned my
> feedback.
>
> Best regards!
Thank you.
I've found I need much more time to improve as I wanted.
This is a short report. If someone know about this issue. Please, let me know.
When I run the test on x86_64, errno is not set even if
the callilng of the modify_ldt got failed.
[EMAIL PROTECTED] modify_ldt]$ ./modify_ldt01
modify_ldt01 0 INFO : Enter block 1
modify_ldt01 1 FAIL : modify_ldt() set invalid errno, expected
ENOSYS, got: 42
modify_ldt01 0 INFO : block 1 FAILED
I'm guessing this is something to do with glibc.
Further more there is inconsistency between man page and kernel code.
man page says:
ENOSYS func is neither 0 nor 1.
However, 2 and 0x11 may be acceptable.
/usr/share/srpmix/sources/k/kernel/2.6.18-8.el5/pre-build/kernel-2.6.18/linux-2.6.18.i386/arch/x86_64/kernel/ldt.c
asmlinkage int sys_modify_ldt(int func, void __user *ptr, unsigned long
bytecount)
{
int ret = -ENOSYS;
switch (func) {
case 0:
ret = read_ldt(ptr, bytecount);
break;
case 1:
ret = write_ldt(ptr, bytecount, 1);
break;
case 2:
ret = read_default_ldt(ptr, bytecount);
break;
case 0x11:
ret = write_ldt(ptr, bytecount, 0);
break;
}
return ret;
}
Before working on Makefile related thing, I have to fix ...somehwere glibc, man
page, and modify_ldt0[12].c.
Masatake YAMATO
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