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SubjectRe: [PATCH v8 15/18] nitro_enclaves: Add Makefile for the Nitro Enclaves driver
On Mon, Sep 07, 2020 at 04:35:23PM +0300, Paraschiv, Andra-Irina wrote:
>
>
> On 07/09/2020 12:00, Greg KH wrote:
> >
> >
> > On Fri, Sep 04, 2020 at 08:37:15PM +0300, Andra Paraschiv wrote:
> > > Signed-off-by: Andra Paraschiv <andraprs@amazon.com>
> > > Reviewed-by: Alexander Graf <graf@amazon.com>
> > > ---
> > > Changelog
> > >
> > > v7 -> v8
> > >
> > > * No changes.
> > >
> > > v6 -> v7
> > >
> > > * No changes.
> > >
> > > v5 -> v6
> > >
> > > * No changes.
> > >
> > > v4 -> v5
> > >
> > > * No changes.
> > >
> > > v3 -> v4
> > >
> > > * No changes.
> > >
> > > v2 -> v3
> > >
> > > * Remove the GPL additional wording as SPDX-License-Identifier is
> > > already in place.
> > >
> > > v1 -> v2
> > >
> > > * Update path to Makefile to match the drivers/virt/nitro_enclaves
> > > directory.
> > > ---
> > > drivers/virt/Makefile | 2 ++
> > > drivers/virt/nitro_enclaves/Makefile | 11 +++++++++++
> > > 2 files changed, 13 insertions(+)
> > > create mode 100644 drivers/virt/nitro_enclaves/Makefile
> > >
> > > diff --git a/drivers/virt/Makefile b/drivers/virt/Makefile
> > > index fd331247c27a..f28425ce4b39 100644
> > > --- a/drivers/virt/Makefile
> > > +++ b/drivers/virt/Makefile
> > > @@ -5,3 +5,5 @@
> > >
> > > obj-$(CONFIG_FSL_HV_MANAGER) += fsl_hypervisor.o
> > > obj-y += vboxguest/
> > > +
> > > +obj-$(CONFIG_NITRO_ENCLAVES) += nitro_enclaves/
> > > diff --git a/drivers/virt/nitro_enclaves/Makefile b/drivers/virt/nitro_enclaves/Makefile
> > > new file mode 100644
> > > index 000000000000..e9f4fcd1591e
> > > --- /dev/null
> > > +++ b/drivers/virt/nitro_enclaves/Makefile
> > > @@ -0,0 +1,11 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +#
> > > +# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
> > > +
> > > +# Enclave lifetime management support for Nitro Enclaves (NE).
> > > +
> > > +obj-$(CONFIG_NITRO_ENCLAVES) += nitro_enclaves.o
> > > +
> > > +nitro_enclaves-y := ne_pci_dev.o ne_misc_dev.o
> > > +
> > > +ccflags-y += -Wall
> > That flag is _really_ risky over time, are you _SURE_ that all new
> > versions of clang and gcc will never produce any warnings? People work
> > to fix up build warnings quite quickly for new compilers, you shouldn't
> > prevent the code from being built at all just for that, right?
> >
>
> That would also need Werror, to have warnings treated as errors and prevent
> building the codebase. If it's about something more, just let me know.

No, you are right, Werror would be needed here too.

W=1 gives you -Wall if you really want that, no need to add it by hand.

thanks,

greg k-h

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