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| author | Takashi Iwai <tiwai@suse.de> | 2024-03-21 14:07:27 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-03-21 14:07:27 +0100 |
| commit | 9f2347842b526cbc2655068591fb0166362d2999 (patch) | |
| tree | 1d8e00f652520f1bb1036b1182920e1900a916e8 /drivers/dma/idxd/init.c | |
| parent | 14d811467f6592aa0e685730e66b5f9123287468 (diff) | |
| parent | 9a8b202f8cb7ebebc71f1f2a353a21c76d3063a8 (diff) | |
| download | linux-stable-9f2347842b526cbc2655068591fb0166362d2999.tar.gz linux-stable-9f2347842b526cbc2655068591fb0166362d2999.tar.bz2 linux-stable-9f2347842b526cbc2655068591fb0166362d2999.zip | |
Merge tag 'asoc-fix-v6.9-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.9
A bunch of fixes that came in during the merge window, probably the most
substantial thing is the DPCM locking fix for compressed audio which has
been lurking for a while.
Diffstat (limited to 'drivers/dma/idxd/init.c')
| -rw-r--r-- | drivers/dma/idxd/init.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index 14df1f1347a8..4954adc6bb60 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -343,7 +343,9 @@ static void idxd_cleanup_internals(struct idxd_device *idxd) static int idxd_init_evl(struct idxd_device *idxd) { struct device *dev = &idxd->pdev->dev; + unsigned int evl_cache_size; struct idxd_evl *evl; + const char *idxd_name; if (idxd->hw.gen_cap.evl_support == 0) return 0; @@ -355,9 +357,16 @@ static int idxd_init_evl(struct idxd_device *idxd) spin_lock_init(&evl->lock); evl->size = IDXD_EVL_SIZE_MIN; - idxd->evl_cache = kmem_cache_create(dev_name(idxd_confdev(idxd)), - sizeof(struct idxd_evl_fault) + evl_ent_size(idxd), - 0, 0, NULL); + idxd_name = dev_name(idxd_confdev(idxd)); + evl_cache_size = sizeof(struct idxd_evl_fault) + evl_ent_size(idxd); + /* + * Since completion record in evl_cache will be copied to user + * when handling completion record page fault, need to create + * the cache suitable for user copy. + */ + idxd->evl_cache = kmem_cache_create_usercopy(idxd_name, evl_cache_size, + 0, 0, 0, evl_cache_size, + NULL); if (!idxd->evl_cache) { kfree(evl); return -ENOMEM; |