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SubjectRe: [patch-2.3.29] bugfix for pipe(2) system call.
In message <>, 
n Aivazian writes:
| If David suggested to write -1's to userspace's fd[2] that means overhead
| in non-failing case which is totally unacceptable. (it's the same as doing
Compared to odd race conditions or file descriptor leaks?

| verify_area(), in fact it is cheaper to keep the kernel lock over
| copy_to_user() and close the descriptors if failed than doing that).

Then perhaps that should be done. I'm not real happy with the other

brandon s. allbery os/2,linux,solaris,perl
system administrator kthkrb,heimdal,gnome,rt
carnegie mellon / electrical and computer engineering kf8nh
We are Linux. Resistance is an indication that you missed the point.

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