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SubjectRe: [PATCH 3/6] intel_sgx: driver for Intel Secure Guard eXtensions
On Mon, Apr 25, 2016 at 08:34:10PM +0300, Jarkko Sakkinen wrote:
> Intel(R) SGX is a set of CPU instructions that can be used by
> applications to set aside private regions of code and data. The code
> outside the enclave is disallowed to access the memory inside the
> enclave by the CPU access control.
>
> Intel SGX driver provides a ioctl interface for loading and initializing
> enclaves and a pager in order to support oversubscription.
>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> ---
> arch/x86/include/asm/sgx.h | 4 +-
> drivers/staging/Kconfig | 2 +
> drivers/staging/Makefile | 1 +
> drivers/staging/intel_sgx/Kconfig | 13 +
> drivers/staging/intel_sgx/Makefile | 12 +
> drivers/staging/intel_sgx/isgx.h | 238 +++++++
> drivers/staging/intel_sgx/isgx_compat_ioctl.c | 179 +++++

No "new" kernel code should ever need compat_ioctl support, please just
create your structures to not require this at all, it isn't that
difficult.

thanks,

greg k-h

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