diff options
Diffstat (limited to 'drivers')
109 files changed, 1165 insertions, 477 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index cc37511de866..6265871a4af2 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -554,12 +554,27 @@ ssize_t __weak cpu_show_mds(struct device *dev, return sprintf(buf, "Not affected\n"); } +ssize_t __weak cpu_show_tsx_async_abort(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "Not affected\n"); +} + +ssize_t __weak cpu_show_itlb_multihit(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "Not affected\n"); +} + static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL); static DEVICE_ATTR(spec_store_bypass, 0444, cpu_show_spec_store_bypass, NULL); static DEVICE_ATTR(l1tf, 0444, cpu_show_l1tf, NULL); static DEVICE_ATTR(mds, 0444, cpu_show_mds, NULL); +static DEVICE_ATTR(tsx_async_abort, 0444, cpu_show_tsx_async_abort, NULL); +static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -568,6 +583,8 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_spec_store_bypass.attr, &dev_attr_l1tf.attr, &dev_attr_mds.attr, + &dev_attr_tsx_async_abort.attr, + &dev_attr_itlb_multihit.attr, NULL }; diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 55907c27075b..84c4e1f72cbd 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -872,3 +872,39 @@ int walk_memory_blocks(unsigned long start, unsigned long size, } return ret; } + +struct for_each_memory_block_cb_data { + walk_memory_blocks_func_t func; + void *arg; +}; + +static int for_each_memory_block_cb(struct device *dev, void *data) +{ + struct memory_block *mem = to_memory_block(dev); + struct for_each_memory_block_cb_data *cb_data = data; + + return cb_data->func(mem, cb_data->arg); +} + +/** + * for_each_memory_block - walk through all present memory blocks + * + * @arg: argument passed to func + * @func: callback for each memory block walked + * + * This function walks through all present memory blocks, calling func on + * each memory block. + * + * In case func() returns an error, walking is aborted and the error is + * returned. + */ +int for_each_memory_block(void *arg, walk_memory_blocks_func_t func) +{ + struct for_each_memory_block_cb_data cb_data = { + .func = func, + .arg = arg, + }; + + return bus_for_each_dev(&memory_subsys, NULL, &cb_data, + for_each_memory_block_cb); +} diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 39136675dae5..13527a0b4e44 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2087,7 +2087,7 @@ static int rbd_object_map_update_finish(struct rbd_obj_request *obj_req, struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev; struct ceph_osd_data *osd_data; u64 objno; - u8 state, new_state, current_state; + u8 state, new_state, uninitialized_var(current_state); bool has_current_state; void *p; diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 76b73ddf8fd7..10f6368117d8 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -1000,8 +1000,10 @@ static void rsxx_pci_remove(struct pci_dev *dev) cancel_work_sync(&card->event_work); + destroy_workqueue(card->event_wq); rsxx_destroy_dev(card); rsxx_dma_destroy(card); + destroy_workqueue(card->creg_ctrl.creg_wq); spin_lock_irqsave(&card->irq_lock, flags); rsxx_disable_ier_and_isr(card, CR_INTR_ALL); diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 80b850ef1bf6..8d53b8ef545c 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -13,7 +13,6 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> -#include <linux/freezer.h> #include <linux/fs.h> #include <linux/hw_random.h> #include <linux/kernel.h> @@ -422,9 +421,7 @@ static int hwrng_fillfn(void *unused) { long rc; - set_freezable(); - - while (!kthread_freezable_should_stop(NULL)) { + while (!kthread_should_stop()) { struct hwrng *rng; rng = get_current_rng(); diff --git a/drivers/char/random.c b/drivers/char/random.c index de434feb873a..01b8868b9bed 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -327,7 +327,6 @@ #include <linux/percpu.h> #include <linux/cryptohash.h> #include <linux/fips.h> -#include <linux/freezer.h> #include <linux/ptrace.h> #include <linux/workqueue.h> #include <linux/irq.h> @@ -2500,8 +2499,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count, * We'll be woken up again once below random_write_wakeup_thresh, * or when the calling thread is about to terminate. */ - wait_event_freezable(random_write_wait, - kthread_should_stop() || + wait_event_interruptible(random_write_wait, kthread_should_stop() || ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits); mix_pool_bytes(poolp, buffer, count); credit_entropy_bits(poolp, entropy); diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index 354b27d14a19..62812f80b5cc 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -328,12 +328,13 @@ static int sh_mtu2_register(struct sh_mtu2_channel *ch, const char *name) return 0; } +static const unsigned int sh_mtu2_channel_offsets[] = { + 0x300, 0x380, 0x000, +}; + static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index, struct sh_mtu2_device *mtu) { - static const unsigned int channel_offsets[] = { - 0x300, 0x380, 0x000, - }; char name[6]; int irq; int ret; @@ -356,7 +357,7 @@ static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index, return ret; } - ch->base = mtu->mapbase + channel_offsets[index]; + ch->base = mtu->mapbase + sh_mtu2_channel_offsets[index]; ch->index = index; return sh_mtu2_register(ch, dev_name(&mtu->pdev->dev)); @@ -408,7 +409,12 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu, } /* Allocate and setup the channels. */ - mtu->num_channels = 3; + ret = platform_irq_count(pdev); + if (ret < 0) + goto err_unmap; + + mtu->num_channels = min_t(unsigned int, ret, + ARRAY_SIZE(sh_mtu2_channel_offsets)); mtu->channels = kcalloc(mtu->num_channels, sizeof(*mtu->channels), GFP_KERNEL); diff --git a/drivers/clocksource/timer-mediatek.c b/drivers/clocksource/timer-mediatek.c index a562f491b0f8..9318edcd8963 100644 --- a/drivers/clocksource/timer-mediatek.c +++ b/drivers/clocksource/timer-mediatek.c @@ -268,15 +268,12 @@ static int __init mtk_syst_init(struct device_node *node) ret = timer_of_init(node, &to); if (ret) - goto err; + return ret; clockevents_config_and_register(&to.clkevt, timer_of_rate(&to), TIMER_SYNC_TICKS, 0xffffffff); return 0; -err: - timer_of_cleanup(&to); - return ret; } static int __init mtk_gpt_init(struct device_node *node) @@ -293,7 +290,7 @@ static int __init mtk_gpt_init(struct device_node *node) ret = timer_of_init(node, &to); if (ret) - goto err; + return ret; /* Configure clock source */ mtk_gpt_setup(&to, TIMER_CLK_SRC, GPT_CTRL_OP_FREERUN); @@ -311,9 +308,6 @@ static int __init mtk_gpt_init(struct device_node *node) mtk_gpt_enable_irq(&to, TIMER_CLK_EVT); return 0; -err: - timer_of_cleanup(&to); - return ret; } TIMER_OF_DECLARE(mtk_mt6577, "mediatek,mt6577-timer", mtk_gpt_init); TIMER_OF_DECLARE(mtk_mt6765, "mediatek,mt6765-timer", mtk_syst_init); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/ |