Re: pkeys: Support setting access rights for signal handlers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 12/16/2017 06:20 PM, Ram Pai wrote:
Ok. Sounds like I do not have much to do. My patches in its current form
will continue to work and provide the semantics you envision.

Thanks for confirming.

I'm open to a different way towards conveying this information to
userspace.  I don't want to probe for the behavior by sending a
signal because that is quite involved and would also be visible in
debuggers, confusing programmers.

I am fine with your proposal.

So how can we move this forward? Should I submit a single new patch with the new flag with a more appropriate name (PKEY_ALLOC_SIGNALINHERIT comes to my mind) and the signal inheritance change?

Dave, do you still want to wait for feedback from the x86 maintainer regarding a general interface? Is this really feasible without detailed knowledge of the XSAVE output structure? Otherwise, there probably isn't a way around code which explicitly copies the bits we want to preserve from the interrupted CPU context to the signal handler context.

Thanks,
Florian
--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux