linux-kernel - Re: [PATCH v38 13/24] x86/sgx: Add SGX_IOC_ENCLAVE_ADD

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Message-ID: <20200917160322.GG8530@linux.intel.com>
Date:   Thu, 17 Sep 2020 19:03:22 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Haitao Huang <haitao.huang@...ux.intel.com>
Cc:     x86@...nel.org, linux-sgx@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jethro Beekman <jethro@...tanix.com>,
        Chunyang Hui <sanqian.hcy@...fin.com>,
        Jordan Hand <jorhand@...ux.microsoft.com>,
        Nathaniel McCallum <npmccallum@...hat.com>,
        Seth Moore <sethmo@...gle.com>,
        Darren Kenny <darren.kenny@...cle.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Suresh Siddha <suresh.b.siddha@...el.com>,
        akpm@...ux-foundation.org, andriy.shevchenko@...ux.intel.com,
        asapek@...gle.com, bp@...en8.de, cedric.xing@...el.com,
        chenalexchen@...gle.com, conradparker@...gle.com,
        cyhanish@...gle.com, dave.hansen@...el.com, haitao.huang@...el.com,
        josh@...htriplett.org, kai.huang@...el.com, kai.svahn@...el.com,
        kmoy@...gle.com, ludloff@...gle.com, luto@...nel.org,
        nhorman@...hat.com, puiterwijk@...hat.com, rientjes@...gle.com,
        tglx@...utronix.de, yaozhangx@...gle.com
Subject: Re: [PATCH v38 13/24] x86/sgx: Add SGX_IOC_ENCLAVE_ADD_PAGES

> > +	for (c = 0 ; c < addp.length; c += PAGE_SIZE) {
> > +		if (signal_pending(current)) {
> > +			if (!c)
> > +				ret = -EINTR;
> > +
> > +			break;
> > +		}
> > +
> 
> Return -ERESTARTSYS so that kernel can restart this IOC when SA_RESTART is
> set?

Yes, this is quite obvious. I will change it, thank you.

/Jarkko