Re: [PATCH v30 12/20] x86/sgx: Add a page reclaimer

From: Jarkko Sakkinen
Date: Fri May 22 2020 - 15:48:00 EST


On Fri, May 22, 2020 at 12:15:53AM -0700, Sean Christopherson wrote:
> On Fri, May 15, 2020 at 03:44:02AM +0300, Jarkko Sakkinen wrote:
> > +static void sgx_reclaimer_write(struct sgx_epc_page *epc_page,
> > + struct sgx_backing *backing)
> > +{
> > + struct sgx_encl_page *encl_page = epc_page->owner;
> > + struct sgx_encl *encl = encl_page->encl;
> > + struct sgx_backing secs_backing;
> > + int ret;
> > +
> > + mutex_lock(&encl->lock);
> > +
> > + if (atomic_read(&encl->flags) & SGX_ENCL_DEAD) {
> > + ret = __eremove(sgx_epc_addr(epc_page));
> > + ENCLS_WARN(ret, "EREMOVE returned %d\n");
>
> The " returned %d\n" is unnecessary and leads to a bad message, ENCLS_WARN
> handles the message and formatting, i.e. this should simply be:
>
> ENCLS_WARN(ret, "EREMOVE");

Sure. Did not make a changelog entry of this (because it is a cosmetic
fix), but it is fixed in my tree.

/Jarkko