diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/Kconfig | 1 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/atomic.h | 2 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/checksum.h | 2 | ||||
| -rw-r--r-- | arch/xtensa/kernel/perf_event.c | 4 | ||||
| -rw-r--r-- | arch/xtensa/kernel/process.c | 2 | ||||
| -rw-r--r-- | arch/xtensa/kernel/setup.c | 3 | ||||
| -rw-r--r-- | arch/xtensa/kernel/xtensa_ksyms.c | 4 | ||||
| -rw-r--r-- | arch/xtensa/platforms/iss/simdisk.c | 11 |
8 files changed, 11 insertions, 18 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 3a9f1e80394a..b71ba910d92f 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -24,7 +24,6 @@ config XTENSA select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL select HAVE_ARCH_TRACEHOOK - select HAVE_COPY_THREAD_TLS select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index 3e7c6134ed32..744c2f463845 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -19,8 +19,6 @@ #include <asm/cmpxchg.h> #include <asm/barrier.h> -#define ATOMIC_INIT(i) { (i) } - /* * This Xtensa implementation assumes that the right mechanism * for exclusion is for locking interrupts to level EXCM_LEVEL. diff --git a/arch/xtensa/include/asm/checksum.h b/arch/xtensa/include/asm/checksum.h index d8292cc9ebdf..243a5fe79d3c 100644 --- a/arch/xtensa/include/asm/checksum.h +++ b/arch/xtensa/include/asm/checksum.h @@ -57,7 +57,7 @@ static inline __wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) { - if (access_ok(dst, len)) + if (access_ok(src, len)) return csum_partial_copy_generic((__force const void *)src, dst, len, sum, err_ptr, NULL); if (len) diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c index 9bae79f70301..99fcd63ce597 100644 --- a/arch/xtensa/kernel/perf_event.c +++ b/arch/xtensa/kernel/perf_event.c @@ -362,9 +362,7 @@ irqreturn_t xtensa_pmu_irq_handler(int irq, void *dev_id) struct xtensa_pmu_events *ev = this_cpu_ptr(&xtensa_pmu_events); unsigned i; - for (i = find_first_bit(ev->used_mask, XCHAL_NUM_PERF_COUNTERS); - i < XCHAL_NUM_PERF_COUNTERS; - i = find_next_bit(ev->used_mask, XCHAL_NUM_PERF_COUNTERS, i + 1)) { + for_each_set_bit(i, ev->used_mask, XCHAL_NUM_PERF_COUNTERS) { uint32_t v = get_er(XTENSA_PMU_PMSTAT(i)); struct perf_event *event = ev->event[i]; struct hw_perf_event *hwc = &event->hw; diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index b7fe6f443b42..397a7de56377 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -201,7 +201,7 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) * involved. Much simpler to just not copy those live frames across. */ -int copy_thread_tls(unsigned long clone_flags, unsigned long usp_thread_fn, +int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn, unsigned long thread_fn_arg, struct task_struct *p, unsigned long tls) { diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index d9204dc2656e..be2c78f71695 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -724,7 +724,8 @@ c_start(struct seq_file *f, loff_t *pos) static void * c_next(struct seq_file *f, void *v, loff_t *pos) { - return NULL; + ++*pos; + return c_start(f, pos); } static void diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 4092555828b1..24cf6972eace 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -87,13 +87,13 @@ void __xtensa_libgcc_window_spill(void) } EXPORT_SYMBOL(__xtensa_libgcc_window_spill); -unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v) +unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v) { BUG(); } EXPORT_SYMBOL(__sync_fetch_and_and_4); -unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v) +unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v) { BUG(); } diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 49322b66cda9..3447556d276d 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -101,9 +101,9 @@ static void simdisk_transfer(struct simdisk *dev, unsigned long sector, spin_unlock(&dev->lock); } -static blk_qc_t simdisk_make_request(struct request_queue *q, struct bio *bio) +static blk_qc_t simdisk_submit_bio(struct bio *bio) { - struct simdisk *dev = q->queuedata; + struct simdisk *dev = bio->bi_disk->private_data; struct bio_vec bvec; struct bvec_iter iter; sector_t sector = bio->bi_iter.bi_sector; @@ -127,8 +127,6 @@ static int simdisk_open(struct block_device *bdev, fmode_t mode) struct simdisk *dev = bdev->bd_disk->private_data; spin_lock(&dev->lock); - if (!dev->users) - check_disk_change(bdev); ++dev->users; spin_unlock(&dev->lock); return 0; @@ -144,6 +142,7 @@ static void simdisk_release(struct gendisk *disk, fmode_t mode) static const struct block_device_operations simdisk_ops = { .owner = THIS_MODULE, + .submit_bio = simdisk_submit_bio, .open = simdisk_open, .release = simdisk_release, }; @@ -267,14 +266,12 @@ static int __init simdisk_setup(struct simdisk *dev, int which, spin_lock_init(&dev->lock); dev->users = 0; - dev->queue = blk_alloc_queue(simdisk_make_request, NUMA_NO_NODE); + dev->queue = blk_alloc_queue(NUMA_NO_NODE); if (dev->queue == NULL) { pr_err("blk_alloc_queue failed\n"); goto out_alloc_queue; } - dev->queue->queuedata = dev; - dev->gd = alloc_disk(SIMDISK_MINORS); if (dev->gd == NULL) { pr_err("alloc_disk failed\n"); |