lkml.org 
[lkml]   [2021]   [Dec]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH V4 0/5] Add SEV_INIT_EX support
On Thu, Nov 25, 2021 at 10:20 PM Herbert Xu <herbert@gondor.apana.org.au> wrote:
>
> On Mon, Nov 15, 2021 at 09:40:57AM -0800, Peter Gonda wrote:
> > SEV_INIT requires users to unlock their SPI bus for the PSP's non
> > volatile (NV) storage. Users may wish to lock their SPI bus for numerous
> > reasons, to support this the PSP firmware supports SEV_INIT_EX. INIT_EX
> > allows the firmware to use a region of memory for its NV storage leaving
> > the kernel responsible for actually storing the data in a persistent
> > way. This series adds a new module parameter to ccp allowing users to
> > specify a path to a file for use as the PSP's NV storage. The ccp driver
> > then reads the file into memory for the PSP to use and is responsible
> > for writing the file whenever the PSP modifies the memory region.
> >
> > V3
> > * Add another module parameter 'psp_init_on_probe' to allow for skipping
> > PSP init on module init.
> > * Fixes review comments from Sean.
> > * Fixes missing error checking with file reading.
> > * Removed setting 'error' to a set value in patch 1.
>
> This doesn't compile cleanly for me with C=1 W=1:
>
> CC [M] drivers/crypto/ccp/sev-dev.o
> In file included from ../arch/x86/include/asm/bug.h:84,
> from ../include/linux/bug.h:5,
> from ../include/linux/cpumask.h:14,
> from ../arch/x86/include/asm/cpumask.h:5,
> from ../arch/x86/include/asm/msr.h:11,
> from ../arch/x86/include/asm/processor.h:22,
> from ../arch/x86/include/asm/timex.h:5,
> from ../include/linux/timex.h:65,
> from ../include/linux/time32.h:13,
> from ../include/linux/time.h:60,
> from ../include/linux/stat.h:19,
> from ../include/linux/module.h:13,
> from ../drivers/crypto/ccp/sev-dev.c:10:
> ../drivers/crypto/ccp/sev-dev.c: In function ‘sev_read_init_ex_file’:
> ../include/linux/lockdep.h:286:52: error: invalid type argument of ‘->’ (have ‘struct mutex’)
> #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map)
> ^~
> Please fix and resubmit.

Thanks. Submitted a V5.1 with fixes.

>
> Thanks,
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

\
 
 \ /
  Last update: 2021-12-03 22:49    [W:0.097 / U:1.872 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site