* Re: [axboe:for-7.0/block 19/138] block/blk-crypto-fallback.c:154:17: sparse: sparse: cast from restricted blk_status_t
[not found] <202606012339.rZAl6Xq8-lkp@intel.com>
@ 2026-06-01 15:29 ` Christoph Hellwig
0 siblings, 0 replies; only message in thread
From: Christoph Hellwig @ 2026-06-01 15:29 UTC (permalink / raw)
To: kernel test robot
Cc: Christoph Hellwig, oe-kbuild-all, Jens Axboe, Eric Biggers,
Madhavan Srinivasan, Michael Ellerman, Nicholas Piggin,
Christophe Leroy (CS GROUP), linuxppc-dev
I think powerpc really need to pick the tricks from other architectures
to make cmpxchg work on __bitwise fields.
On Mon, Jun 01, 2026 at 11:26:16PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-7.0/block
> head: 72f4d6fca699a1e35b39c5e5dacac2926d254135
> commit: b37fbce460ad60b0c4449c1c7566cf24f3016713 [19/138] blk-crypto: optimize bio splitting in blk_crypto_fallback_encrypt_bio
> config: powerpc64-randconfig-r111-20260601 (https://download.01.org/0day-ci/archive/20260601/202606012339.rZAl6Xq8-lkp@intel.com/config)
> compiler: powerpc64-linux-gcc (GCC) 8.5.0
> sparse: v0.6.5-rc1
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260601/202606012339.rZAl6Xq8-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel•com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202606012339.rZAl6Xq8-lkp@intel.com/
>
> sparse warnings: (new ones prefixed by >>)
> >> block/blk-crypto-fallback.c:154:17: sparse: sparse: cast from restricted blk_status_t
> >> block/blk-crypto-fallback.c:154:17: sparse: sparse: cast from restricted blk_status_t
> block/blk-crypto-fallback.c:154:17: sparse: sparse: cast to restricted blk_status_t
>
> vim +154 block/blk-crypto-fallback.c
>
> 143
> 144 static void blk_crypto_fallback_encrypt_endio(struct bio *enc_bio)
> 145 {
> 146 struct bio *src_bio = enc_bio->bi_private;
> 147 int i;
> 148
> 149 for (i = 0; i < enc_bio->bi_vcnt; i++)
> 150 mempool_free(enc_bio->bi_io_vec[i].bv_page,
> 151 blk_crypto_bounce_page_pool);
> 152
> 153 if (enc_bio->bi_status)
> > 154 cmpxchg(&src_bio->bi_status, 0, enc_bio->bi_status);
> 155
> 156 bio_put(enc_bio);
> 157 bio_endio(src_bio);
> 158 }
> 159
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
---end quoted text---
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2026-06-01 15:29 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <202606012339.rZAl6Xq8-lkp@intel.com>
2026-06-01 15:29 ` [axboe:for-7.0/block 19/138] block/blk-crypto-fallback.c:154:17: sparse: sparse: cast from restricted blk_status_t Christoph Hellwig
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox