Messages in this thread | | | Date | Fri, 22 Apr 2022 12:14:20 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH V4 00/31] x86/sgx and selftests/sgx: Support SGX2 |
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On Thu, Apr 21, 2022 at 11:46:57PM +0000, Dhanraj, Vijay wrote: > Hi All, > > I evaluated V4 patch changes with Gramine and ran into an issue when > trying to set EPC page permission to PROT_NONE. It looks like with V3 > patch series a change was introduced which requires kernel to have at > least R permission when calling RESTRICT IOCTL. This change was done > under the assumption that EPCM requires at least R permission for > EMODPE/EACCEPT to succeed. But when testing with V2 version, EACCEPT > worked fine with page permission set to PROT_NONE. > > Thanks to @Shanahan, Mark for confirming that EPCM does not need to have > R value to allow EACCEPT or EMODPE. Given this, can we please revert this > change? > > Thanks, > -Vijay
Let's try to avoid top-posting and split the lines appropriately.
BR, Jarkko
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