From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id AB4AD138334 for ; Wed, 14 Nov 2018 11:38:08 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id B6BDFE0BA6; Wed, 14 Nov 2018 11:38:00 +0000 (UTC) Received: from smtp.gentoo.org (dev.gentoo.org [IPv6:2001:470:ea4a:1:5054:ff:fec7:86e4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 78B75E0BA6 for ; Wed, 14 Nov 2018 11:38:00 +0000 (UTC) Received: from oystercatcher.gentoo.org (unknown [IPv6:2a01:4f8:202:4333:225:90ff:fed9:fc84]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 18BD1335CF2 for ; Wed, 14 Nov 2018 11:37:57 +0000 (UTC) Received: from localhost.localdomain (localhost [IPv6:::1]) by oystercatcher.gentoo.org (Postfix) with ESMTP id 8741E47E for ; Wed, 14 Nov 2018 11:37:52 +0000 (UTC) From: "Mike Pagano" To: gentoo-commits@lists.gentoo.org Content-Transfer-Encoding: 8bit Content-type: text/plain; charset=UTF-8 Reply-To: gentoo-dev@lists.gentoo.org, "Mike Pagano" Message-ID: <1542195388.3c99d5ac3d09450f9e5c7392b5173804107a827e.mpagano@gentoo> Subject: [gentoo-commits] proj/linux-patches:4.18 commit in: / X-VCS-Repository: proj/linux-patches X-VCS-Files: 0000_README 1017_linux-4.18.18.patch X-VCS-Directories: / X-VCS-Committer: mpagano X-VCS-Committer-Name: Mike Pagano X-VCS-Revision: 3c99d5ac3d09450f9e5c7392b5173804107a827e X-VCS-Branch: 4.18 Date: Wed, 14 Nov 2018 11:37:52 +0000 (UTC) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-commits@lists.gentoo.org X-Archives-Salt: a4da1ef1-aa33-4fd3-98e5-6f630ee05633 X-Archives-Hash: cf6a7e05c4eb7901ab94c4442b431c6c commit: 3c99d5ac3d09450f9e5c7392b5173804107a827e Author: Mike Pagano gentoo org> AuthorDate: Sat Nov 10 21:33:13 2018 +0000 Commit: Mike Pagano gentoo org> CommitDate: Wed Nov 14 11:36:28 2018 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=3c99d5ac Linux patch 4.18.18 Signed-off-by: Mike Pagano gentoo.org> 0000_README | 4 + 1017_linux-4.18.18.patch | 1206 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1210 insertions(+) diff --git a/0000_README b/0000_README index fcd301e..6774045 100644 --- a/0000_README +++ b/0000_README @@ -111,6 +111,10 @@ Patch: 1016_linux-4.18.17.patch From: http://www.kernel.org Desc: Linux 4.18.17 +Patch: 1017_linux-4.18.18.patch +From: http://www.kernel.org +Desc: Linux 4.18.18 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1017_linux-4.18.18.patch b/1017_linux-4.18.18.patch new file mode 100644 index 0000000..093fbfc --- /dev/null +++ b/1017_linux-4.18.18.patch @@ -0,0 +1,1206 @@ +diff --git a/Makefile b/Makefile +index c051db0ca5a0..7b35c1ec0427 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 18 +-SUBLEVEL = 17 ++SUBLEVEL = 18 + EXTRAVERSION = + NAME = Merciless Moray + +diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h +index a38bf5a1e37a..69dcdf195b61 100644 +--- a/arch/x86/include/asm/fpu/internal.h ++++ b/arch/x86/include/asm/fpu/internal.h +@@ -528,7 +528,7 @@ static inline void fpregs_activate(struct fpu *fpu) + static inline void + switch_fpu_prepare(struct fpu *old_fpu, int cpu) + { +- if (old_fpu->initialized) { ++ if (static_cpu_has(X86_FEATURE_FPU) && old_fpu->initialized) { + if (!copy_fpregs_to_fpstate(old_fpu)) + old_fpu->last_cpu = -1; + else +diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h +index a06b07399d17..6abf3af96fc8 100644 +--- a/arch/x86/include/asm/percpu.h ++++ b/arch/x86/include/asm/percpu.h +@@ -185,22 +185,22 @@ do { \ + typeof(var) pfo_ret__; \ + switch (sizeof(var)) { \ + case 1: \ +- asm(op "b "__percpu_arg(1)",%0" \ ++ asm volatile(op "b "__percpu_arg(1)",%0"\ + : "=q" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 2: \ +- asm(op "w "__percpu_arg(1)",%0" \ ++ asm volatile(op "w "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 4: \ +- asm(op "l "__percpu_arg(1)",%0" \ ++ asm volatile(op "l "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 8: \ +- asm(op "q "__percpu_arg(1)",%0" \ ++ asm volatile(op "q "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ +diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c +index 661583662430..71c0b01d93b1 100644 +--- a/arch/x86/kernel/pci-swiotlb.c ++++ b/arch/x86/kernel/pci-swiotlb.c +@@ -42,10 +42,8 @@ IOMMU_INIT_FINISH(pci_swiotlb_detect_override, + int __init pci_swiotlb_detect_4gb(void) + { + /* don't initialize swiotlb if iommu=off (no_iommu=1) */ +-#ifdef CONFIG_X86_64 + if (!no_iommu && max_possible_pfn > MAX_DMA32_PFN) + swiotlb = 1; +-#endif + + /* + * If SME is active then swiotlb will be set to 1 so that bounce +diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c +index 74b4472ba0a6..f32472acf66c 100644 +--- a/arch/x86/kernel/setup.c ++++ b/arch/x86/kernel/setup.c +@@ -1258,7 +1258,7 @@ void __init setup_arch(char **cmdline_p) + x86_init.hyper.guest_late_init(); + + e820__reserve_resources(); +- e820__register_nosave_regions(max_low_pfn); ++ e820__register_nosave_regions(max_pfn); + + x86_init.resources.reserve_resources(); + +diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c +index be01328eb755..fddaefc51fb6 100644 +--- a/arch/x86/kernel/time.c ++++ b/arch/x86/kernel/time.c +@@ -25,7 +25,7 @@ + #include + + #ifdef CONFIG_X86_64 +-__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES; ++__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES; + #endif + + unsigned long profile_pc(struct pt_regs *regs) +diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c +index a10481656d82..2f4af9598f62 100644 +--- a/arch/x86/kernel/tsc.c ++++ b/arch/x86/kernel/tsc.c +@@ -60,7 +60,7 @@ struct cyc2ns { + + static DEFINE_PER_CPU_ALIGNED(struct cyc2ns, cyc2ns); + +-void cyc2ns_read_begin(struct cyc2ns_data *data) ++void __always_inline cyc2ns_read_begin(struct cyc2ns_data *data) + { + int seq, idx; + +@@ -77,7 +77,7 @@ void cyc2ns_read_begin(struct cyc2ns_data *data) + } while (unlikely(seq != this_cpu_read(cyc2ns.seq.sequence))); + } + +-void cyc2ns_read_end(void) ++void __always_inline cyc2ns_read_end(void) + { + preempt_enable_notrace(); + } +@@ -123,7 +123,7 @@ static void __init cyc2ns_init(int cpu) + seqcount_init(&c2n->seq); + } + +-static inline unsigned long long cycles_2_ns(unsigned long long cyc) ++static __always_inline unsigned long long cycles_2_ns(unsigned long long cyc) + { + struct cyc2ns_data data; + unsigned long long ns; +diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +index ffa5dac221e4..129ebd2588fd 100644 +--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c ++++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +@@ -1434,8 +1434,16 @@ static void __init sun4i_ccu_init(struct device_node *node, + return; + } + +- /* Force the PLL-Audio-1x divider to 1 */ + val = readl(reg + SUN4I_PLL_AUDIO_REG); ++ ++ /* ++ * Force VCO and PLL bias current to lowest setting. Higher ++ * settings interfere with sigma-delta modulation and result ++ * in audible noise and distortions when using SPDIF or I2S. ++ */ ++ val &= ~GENMASK(25, 16); ++ ++ /* Force the PLL-Audio-1x divider to 1 */ + val &= ~GENMASK(29, 26); + writel(val | (1 << 26), reg + SUN4I_PLL_AUDIO_REG); + +diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c +index e2831ee70cdc..deb539b3316b 100644 +--- a/drivers/gpio/gpio-mxs.c ++++ b/drivers/gpio/gpio-mxs.c +@@ -18,8 +18,6 @@ + #include + #include + #include +-/* FIXME: for gpio_get_value(), replace this by direct register read */ +-#include + #include + + #define MXS_SET 0x4 +@@ -86,7 +84,7 @@ static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type) + port->both_edges &= ~pin_mask; + switch (type) { + case IRQ_TYPE_EDGE_BOTH: +- val = gpio_get_value(port->gc.base + d->hwirq); ++ val = port->gc.get(&port->gc, d->hwirq); + if (val) + edge = GPIO_INT_FALL_EDGE; + else +diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c +index c7b4481c90d7..d74d9a8cde2a 100644 +--- a/drivers/gpu/drm/drm_edid.c ++++ b/drivers/gpu/drm/drm_edid.c +@@ -113,6 +113,9 @@ static const struct edid_quirk { + /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ + { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, + ++ /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ ++ { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC }, ++ + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ + { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, + +@@ -4279,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, + struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; + + dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; +- hdmi->y420_dc_modes |= dc_mask; ++ hdmi->y420_dc_modes = dc_mask; + } + + static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, +diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c +index 2ee1eaa66188..1ebac724fe7b 100644 +--- a/drivers/gpu/drm/drm_fb_helper.c ++++ b/drivers/gpu/drm/drm_fb_helper.c +@@ -1561,6 +1561,25 @@ unlock: + } + EXPORT_SYMBOL(drm_fb_helper_ioctl); + ++static bool drm_fb_pixel_format_equal(const struct fb_var_screeninfo *var_1, ++ const struct fb_var_screeninfo *var_2) ++{ ++ return var_1->bits_per_pixel == var_2->bits_per_pixel && ++ var_1->grayscale == var_2->grayscale && ++ var_1->red.offset == var_2->red.offset && ++ var_1->red.length == var_2->red.length && ++ var_1->red.msb_right == var_2->red.msb_right && ++ var_1->green.offset == var_2->green.offset && ++ var_1->green.length == var_2->green.length && ++ var_1->green.msb_right == var_2->green.msb_right && ++ var_1->blue.offset == var_2->blue.offset && ++ var_1->blue.length == var_2->blue.length && ++ var_1->blue.msb_right == var_2->blue.msb_right && ++ var_1->transp.offset == var_2->transp.offset && ++ var_1->transp.length == var_2->transp.length && ++ var_1->transp.msb_right == var_2->transp.msb_right; ++} ++ + /** + * drm_fb_helper_check_var - implementation for &fb_ops.fb_check_var + * @var: screeninfo to check +@@ -1571,7 +1590,6 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, + { + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; +- int depth; + + if (var->pixclock != 0 || in_dbg_master()) + return -EINVAL; +@@ -1591,72 +1609,15 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, + return -EINVAL; + } + +- switch (var->bits_per_pixel) { +- case 16: +- depth = (var->green.length == 6) ? 16 : 15; +- break; +- case 32: +- depth = (var->transp.length > 0) ? 32 : 24; +- break; +- default: +- depth = var->bits_per_pixel; +- break; +- } +- +- switch (depth) { +- case 8: +- var->red.offset = 0; +- var->green.offset = 0; +- var->blue.offset = 0; +- var->red.length = 8; +- var->green.length = 8; +- var->blue.length = 8; +- var->transp.length = 0; +- var->transp.offset = 0; +- break; +- case 15: +- var->red.offset = 10; +- var->green.offset = 5; +- var->blue.offset = 0; +- var->red.length = 5; +- var->green.length = 5; +- var->blue.length = 5; +- var->transp.length = 1; +- var->transp.offset = 15; +- break; +- case 16: +- var->red.offset = 11; +- var->green.offset = 5; +- var->blue.offset = 0; +- var->red.length = 5; +- var->green.length = 6; +- var->blue.length = 5; +- var->transp.length = 0; +- var->transp.offset = 0; +- break; +- case 24: +- var->red.offset = 16; +- var->green.offset = 8; +- var->blue.offset = 0; +- var->red.length = 8; +- var->green.length = 8; +- var->blue.length = 8; +- var->transp.length = 0; +- var->transp.offset = 0; +- break; +- case 32: +- var->red.offset = 16; +- var->green.offset = 8; +- var->blue.offset = 0; +- var->red.length = 8; +- var->green.length = 8; +- var->blue.length = 8; +- var->transp.length = 8; +- var->transp.offset = 24; +- break; +- default: ++ /* ++ * drm fbdev emulation doesn't support changing the pixel format at all, ++ * so reject all pixel format changing requests. ++ */ ++ if (!drm_fb_pixel_format_equal(var, &info->var)) { ++ DRM_DEBUG("fbdev emulation doesn't support changing the pixel format\n"); + return -EINVAL; + } ++ + return 0; + } + EXPORT_SYMBOL(drm_fb_helper_check_var); +diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c +index e36004fbe453..2a15f2f9271e 100644 +--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c ++++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c +@@ -81,9 +81,19 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate, + int i; + + for (i = tcon->dclk_min_div; i <= tcon->dclk_max_div; i++) { +- unsigned long ideal = rate * i; ++ u64 ideal = (u64)rate * i; + unsigned long rounded; + ++ /* ++ * ideal has overflowed the max value that can be stored in an ++ * unsigned long, and every clk operation we might do on a ++ * truncated u64 value will give us incorrect results. ++ * Let's just stop there since bigger dividers will result in ++ * the same overflow issue. ++ */ ++ if (ideal > ULONG_MAX) ++ goto out; ++ + rounded = clk_hw_round_rate(clk_hw_get_parent(hw), + ideal); + +diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c +index 9eef96dacbd7..d93a719d25c1 100644 +--- a/drivers/infiniband/core/ucm.c ++++ b/drivers/infiniband/core/ucm.c +@@ -46,6 +46,8 @@ + #include + #include + ++#include ++ + #include + + #include +@@ -1123,6 +1125,7 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, + + if (hdr.cmd >= ARRAY_SIZE(ucm_cmd_table)) + return -EINVAL; ++ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucm_cmd_table)); + + if (hdr.in + sizeof(hdr) > len) + return -EINVAL; +diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c +index 21863ddde63e..01d68ed46c1b 100644 +--- a/drivers/infiniband/core/ucma.c ++++ b/drivers/infiniband/core/ucma.c +@@ -44,6 +44,8 @@ + #include + #include + ++#include ++ + #include + #include + #include +@@ -1676,6 +1678,7 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, + + if (hdr.cmd >= ARRAY_SIZE(ucma_cmd_table)) + return -EINVAL; ++ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucma_cmd_table)); + + if (hdr.in + sizeof(hdr) > len) + return -EINVAL; +diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c +index f5ae24865355..b0f9d19b3410 100644 +--- a/drivers/input/mouse/elan_i2c_core.c ++++ b/drivers/input/mouse/elan_i2c_core.c +@@ -1346,6 +1346,7 @@ static const struct acpi_device_id elan_acpi_id[] = { + { "ELAN0611", 0 }, + { "ELAN0612", 0 }, + { "ELAN0618", 0 }, ++ { "ELAN061C", 0 }, + { "ELAN061D", 0 }, + { "ELAN0622", 0 }, + { "ELAN1000", 0 }, +diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c +index f5cc517d1131..7e50e1d6f58c 100644 +--- a/drivers/misc/eeprom/at24.c ++++ b/drivers/misc/eeprom/at24.c +@@ -478,6 +478,23 @@ static void at24_properties_to_pdata(struct device *dev, + if (device_property_present(dev, "no-read-rollover")) + chip->flags |= AT24_FLAG_NO_RDROL; + ++ err = device_property_read_u32(dev, "address-width", &val); ++ if (!err) { ++ switch (val) { ++ case 8: ++ if (chip->flags & AT24_FLAG_ADDR16) ++ dev_warn(dev, "Override address width to be 8, while default is 16\n"); ++ chip->flags &= ~AT24_FLAG_ADDR16; ++ break; ++ case 16: ++ chip->flags |= AT24_FLAG_ADDR16; ++ break; ++ default: ++ dev_warn(dev, "Bad \"address-width\" property: %u\n", ++ val); ++ } ++ } ++ + err = device_property_read_u32(dev, "size", &val); + if (!err) + chip->byte_len = val; +diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c +index 01b0e2bb3319..2012551d93e0 100644 +--- a/drivers/ptp/ptp_chardev.c ++++ b/drivers/ptp/ptp_chardev.c +@@ -24,6 +24,8 @@ + #include + #include + ++#include ++ + #include "ptp_private.h" + + static int ptp_disable_pinfunc(struct ptp_clock_info *ops, +@@ -248,6 +250,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) + err = -EINVAL; + break; + } ++ pin_index = array_index_nospec(pin_index, ops->n_pins); + if (mutex_lock_interruptible(&ptp->pincfg_mux)) + return -ERESTARTSYS; + pd = ops->pin_config[pin_index]; +@@ -266,6 +269,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) + err = -EINVAL; + break; + } ++ pin_index = array_index_nospec(pin_index, ops->n_pins); + if (mutex_lock_interruptible(&ptp->pincfg_mux)) + return -ERESTARTSYS; + err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan); +diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c +index 84f52774810a..b61d101894ef 100644 +--- a/drivers/usb/class/cdc-acm.c ++++ b/drivers/usb/class/cdc-acm.c +@@ -309,17 +309,17 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf) + + if (difference & ACM_CTRL_DSR) + acm->iocount.dsr++; +- if (difference & ACM_CTRL_BRK) +- acm->iocount.brk++; +- if (difference & ACM_CTRL_RI) +- acm->iocount.rng++; + if (difference & ACM_CTRL_DCD) + acm->iocount.dcd++; +- if (difference & ACM_CTRL_FRAMING) ++ if (newctrl & ACM_CTRL_BRK) ++ acm->iocount.brk++; ++ if (newctrl & ACM_CTRL_RI) ++ acm->iocount.rng++; ++ if (newctrl & ACM_CTRL_FRAMING) + acm->iocount.frame++; +- if (difference & ACM_CTRL_PARITY) ++ if (newctrl & ACM_CTRL_PARITY) + acm->iocount.parity++; +- if (difference & ACM_CTRL_OVERRUN) ++ if (newctrl & ACM_CTRL_OVERRUN) + acm->iocount.overrun++; + spin_unlock(&acm->read_lock); + +@@ -354,7 +354,6 @@ static void acm_ctrl_irq(struct urb *urb) + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ +- acm->nb_index = 0; + dev_dbg(&acm->control->dev, + "%s - urb shutting down with status: %d\n", + __func__, status); +@@ -1642,6 +1641,7 @@ static int acm_pre_reset(struct usb_interface *intf) + struct acm *acm = usb_get_intfdata(intf); + + clear_bit(EVENT_RX_STALL, &acm->flags); ++ acm->nb_index = 0; /* pending control transfers are lost */ + + return 0; + } +diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c +index e1e0c90ce569..2e66711dac9c 100644 +--- a/drivers/usb/core/devio.c ++++ b/drivers/usb/core/devio.c +@@ -1473,8 +1473,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb + u = 0; + switch (uurb->type) { + case USBDEVFS_URB_TYPE_CONTROL: +- if (is_in) +- allow_short = true; + if (!usb_endpoint_xfer_control(&ep->desc)) + return -EINVAL; + /* min 8 byte setup packet */ +@@ -1504,6 +1502,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb + is_in = 0; + uurb->endpoint &= ~USB_DIR_IN; + } ++ if (is_in) ++ allow_short = true; + snoop(&ps->dev->dev, "control urb: bRequestType=%02x " + "bRequest=%02x wValue=%04x " + "wIndex=%04x wLength=%04x\n", +diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c +index acecd13dcbd9..b29620e5df83 100644 +--- a/drivers/usb/gadget/function/f_mass_storage.c ++++ b/drivers/usb/gadget/function/f_mass_storage.c +@@ -222,6 +222,8 @@ + #include + #include + ++#include ++ + #include "configfs.h" + + +@@ -3171,6 +3173,7 @@ static struct config_group *fsg_lun_make(struct config_group *group, + fsg_opts = to_fsg_opts(&group->cg_item); + if (num >= FSG_MAX_LUNS) + return ERR_PTR(-ERANGE); ++ num = array_index_nospec(num, FSG_MAX_LUNS); + + mutex_lock(&fsg_opts->lock); + if (fsg_opts->refcnt || fsg_opts->common->luns[num]) { +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index 722860eb5a91..51dd8e00c4f8 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -179,10 +179,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + xhci->quirks |= XHCI_PME_STUCK_QUIRK; + } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && +- pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { ++ pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) + xhci->quirks |= XHCI_SSIC_PORT_UNUSED; ++ if (pdev->vendor == PCI_VENDOR_ID_INTEL && ++ (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || ++ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) + xhci->quirks |= XHCI_INTEL_USB_ROLE_SW; +- } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || +diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c +index 1fb3dd0f1dfa..277de96181f9 100644 +--- a/drivers/usb/roles/intel-xhci-usb-role-switch.c ++++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c +@@ -161,6 +161,8 @@ static int intel_xhci_usb_remove(struct platform_device *pdev) + { + struct intel_xhci_usb_data *data = platform_get_drvdata(pdev); + ++ pm_runtime_disable(&pdev->dev); ++ + usb_role_switch_unregister(data->role_sw); + return 0; + } +diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c +index d11f3f8dad40..1e592ec94ba4 100644 +--- a/drivers/usb/usbip/vhci_hcd.c ++++ b/drivers/usb/usbip/vhci_hcd.c +@@ -318,8 +318,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + struct vhci_hcd *vhci_hcd; + struct vhci *vhci; + int retval = 0; +- int rhport; ++ int rhport = -1; + unsigned long flags; ++ bool invalid_rhport = false; + + u32 prev_port_status[VHCI_HC_PORTS]; + +@@ -334,9 +335,19 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + usbip_dbg_vhci_rh("typeReq %x wValue %x wIndex %x\n", typeReq, wValue, + wIndex); + +- if (wIndex > VHCI_HC_PORTS) +- pr_err("invalid port number %d\n", wIndex); +- rhport = wIndex - 1; ++ /* ++ * wIndex can be 0 for some request types (typeReq). rhport is ++ * in valid range when wIndex >= 1 and < VHCI_HC_PORTS. ++ * ++ * Reference port_status[] only with valid rhport when ++ * invalid_rhport is false. ++ */ ++ if (wIndex < 1 || wIndex > VHCI_HC_PORTS) { ++ invalid_rhport = true; ++ if (wIndex > VHCI_HC_PORTS) ++ pr_err("invalid port number %d\n", wIndex); ++ } else ++ rhport = wIndex - 1; + + vhci_hcd = hcd_to_vhci_hcd(hcd); + vhci = vhci_hcd->vhci; +@@ -345,8 +356,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + + /* store old status and compare now and old later */ + if (usbip_dbg_flag_vhci_rh) { +- memcpy(prev_port_status, vhci_hcd->port_status, +- sizeof(prev_port_status)); ++ if (!invalid_rhport) ++ memcpy(prev_port_status, vhci_hcd->port_status, ++ sizeof(prev_port_status)); + } + + switch (typeReq) { +@@ -354,8 +366,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + usbip_dbg_vhci_rh(" ClearHubFeature\n"); + break; + case ClearPortFeature: +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + switch (wValue) { + case USB_PORT_FEAT_SUSPEND: + if (hcd->speed == HCD_USB3) { +@@ -415,9 +429,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + break; + case GetPortStatus: + usbip_dbg_vhci_rh(" GetPortStatus port %x\n", wIndex); +- if (wIndex < 1) { ++ if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); + retval = -EPIPE; ++ goto error; + } + + /* we do not care about resume. */ +@@ -513,16 +528,20 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + goto error; + } + +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + + vhci_hcd->port_status[rhport] |= USB_PORT_STAT_SUSPEND; + break; + case USB_PORT_FEAT_POWER: + usbip_dbg_vhci_rh( + " SetPortFeature: USB_PORT_FEAT_POWER\n"); +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + if (hcd->speed == HCD_USB3) + vhci_hcd->port_status[rhport] |= USB_SS_PORT_STAT_POWER; + else +@@ -531,8 +550,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + case USB_PORT_FEAT_BH_PORT_RESET: + usbip_dbg_vhci_rh( + " SetPortFeature: USB_PORT_FEAT_BH_PORT_RESET\n"); +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + /* Applicable only for USB3.0 hub */ + if (hcd->speed != HCD_USB3) { + pr_err("USB_PORT_FEAT_BH_PORT_RESET req not " +@@ -543,8 +564,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + case USB_PORT_FEAT_RESET: + usbip_dbg_vhci_rh( + " SetPortFeature: USB_PORT_FEAT_RESET\n"); +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + /* if it's already enabled, disable */ + if (hcd->speed == HCD_USB3) { + vhci_hcd->port_status[rhport] = 0; +@@ -565,8 +588,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + default: + usbip_dbg_vhci_rh(" SetPortFeature: default %d\n", + wValue); +- if (rhport < 0) ++ if (invalid_rhport) { ++ pr_err("invalid port number %d\n", wIndex); + goto error; ++ } + if (hcd->speed == HCD_USB3) { + if ((vhci_hcd->port_status[rhport] & + USB_SS_PORT_STAT_POWER) != 0) { +@@ -608,7 +633,7 @@ error: + if (usbip_dbg_flag_vhci_rh) { + pr_debug("port %d\n", rhport); + /* Only dump valid port status */ +- if (rhport >= 0) { ++ if (!invalid_rhport) { + dump_port_status_diff(prev_port_status[rhport], + vhci_hcd->port_status[rhport], + hcd->speed == HCD_USB3); +@@ -618,8 +643,10 @@ error: + + spin_unlock_irqrestore(&vhci->lock, flags); + +- if ((vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0) ++ if (!invalid_rhport && ++ (vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0) { + usb_hcd_poll_rh_status(hcd); ++ } + + return retval; + } +diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c +index af2b17b21b94..95983c744164 100644 +--- a/fs/cachefiles/namei.c ++++ b/fs/cachefiles/namei.c +@@ -343,7 +343,7 @@ try_again: + trap = lock_rename(cache->graveyard, dir); + + /* do some checks before getting the grave dentry */ +- if (rep->d_parent != dir) { ++ if (rep->d_parent != dir || IS_DEADDIR(d_inode(rep))) { + /* the entry was probably culled when we dropped the parent dir + * lock */ + unlock_rename(cache->graveyard, dir); +diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c +index 83bfe04456b6..c550512ce335 100644 +--- a/fs/fscache/cookie.c ++++ b/fs/fscache/cookie.c +@@ -70,20 +70,7 @@ void fscache_free_cookie(struct fscache_cookie *cookie) + } + + /* +- * initialise an cookie jar slab element prior to any use +- */ +-void fscache_cookie_init_once(void *_cookie) +-{ +- struct fscache_cookie *cookie = _cookie; +- +- memset(cookie, 0, sizeof(*cookie)); +- spin_lock_init(&cookie->lock); +- spin_lock_init(&cookie->stores_lock); +- INIT_HLIST_HEAD(&cookie->backing_objects); +-} +- +-/* +- * Set the index key in a cookie. The cookie struct has space for a 12-byte ++ * Set the index key in a cookie. The cookie struct has space for a 16-byte + * key plus length and hash, but if that's not big enough, it's instead a + * pointer to a buffer containing 3 bytes of hash, 1 byte of length and then + * the key data. +@@ -93,20 +80,18 @@ static int fscache_set_key(struct fscache_cookie *cookie, + { + unsigned long long h; + u32 *buf; ++ int bufs; + int i; + +- cookie->key_len = index_key_len; ++ bufs = DIV_ROUND_UP(index_key_len, sizeof(*buf)); + + if (index_key_len > sizeof(cookie->inline_key)) { +- buf = kzalloc(index_key_len, GFP_KERNEL); ++ buf = kcalloc(bufs, sizeof(*buf), GFP_KERNEL); + if (!buf) + return -ENOMEM; + cookie->key = buf; + } else { + buf = (u32 *)cookie->inline_key; +- buf[0] = 0; +- buf[1] = 0; +- buf[2] = 0; + } + + memcpy(buf, index_key, index_key_len); +@@ -116,7 +101,8 @@ static int fscache_set_key(struct fscache_cookie *cookie, + */ + h = (unsigned long)cookie->parent; + h += index_key_len + cookie->type; +- for (i = 0; i < (index_key_len + sizeof(u32) - 1) / sizeof(u32); i++) ++ ++ for (i = 0; i < bufs; i++) + h += buf[i]; + + cookie->key_hash = h ^ (h >> 32); +@@ -161,7 +147,7 @@ struct fscache_cookie *fscache_alloc_cookie( + struct fscache_cookie *cookie; + + /* allocate and initialise a cookie */ +- cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL); ++ cookie = kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL); + if (!cookie) + return NULL; + +@@ -192,6 +178,9 @@ struct fscache_cookie *fscache_alloc_cookie( + cookie->netfs_data = netfs_data; + cookie->flags = (1 << FSCACHE_COOKIE_NO_DATA_YET); + cookie->type = def->type; ++ spin_lock_init(&cookie->lock); ++ spin_lock_init(&cookie->stores_lock); ++ INIT_HLIST_HEAD(&cookie->backing_objects); + + /* radix tree insertion won't use the preallocation pool unless it's + * told it may not wait */ +diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h +index f83328a7f048..d6209022e965 100644 +--- a/fs/fscache/internal.h ++++ b/fs/fscache/internal.h +@@ -51,7 +51,6 @@ extern struct fscache_cache *fscache_select_cache_for_object( + extern struct kmem_cache *fscache_cookie_jar; + + extern void fscache_free_cookie(struct fscache_cookie *); +-extern void fscache_cookie_init_once(void *); + extern struct fscache_cookie *fscache_alloc_cookie(struct fscache_cookie *, + const struct fscache_cookie_def *, + const void *, size_t, +diff --git a/fs/fscache/main.c b/fs/fscache/main.c +index 7dce110bf17d..30ad89db1efc 100644 +--- a/fs/fscache/main.c ++++ b/fs/fscache/main.c +@@ -143,9 +143,7 @@ static int __init fscache_init(void) + + fscache_cookie_jar = kmem_cache_create("fscache_cookie_jar", + sizeof(struct fscache_cookie), +- 0, +- 0, +- fscache_cookie_init_once); ++ 0, 0, NULL); + if (!fscache_cookie_jar) { + pr_notice("Failed to allocate a cookie jar\n"); + ret = -ENOMEM; +diff --git a/fs/ioctl.c b/fs/ioctl.c +index b445b13fc59b..5444fec607ce 100644 +--- a/fs/ioctl.c ++++ b/fs/ioctl.c +@@ -229,7 +229,7 @@ static long ioctl_file_clone(struct file *dst_file, unsigned long srcfd, + ret = -EXDEV; + if (src_file.file->f_path.mnt != dst_file->f_path.mnt) + goto fdput; +- ret = do_clone_file_range(src_file.file, off, dst_file, destoff, olen); ++ ret = vfs_clone_file_range(src_file.file, off, dst_file, destoff, olen); + fdput: + fdput(src_file); + return ret; +diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c +index b0555d7d8200..613d2fe2dddd 100644 +--- a/fs/nfsd/vfs.c ++++ b/fs/nfsd/vfs.c +@@ -541,7 +541,8 @@ __be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp, + __be32 nfsd4_clone_file_range(struct file *src, u64 src_pos, struct file *dst, + u64 dst_pos, u64 count) + { +- return nfserrno(do_clone_file_range(src, src_pos, dst, dst_pos, count)); ++ return nfserrno(vfs_clone_file_range(src, src_pos, dst, dst_pos, ++ count)); + } + + ssize_t nfsd_copy_file_range(struct file *src, u64 src_pos, struct file *dst, +diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c +index ddaddb4ce4c3..26b477f2538d 100644 +--- a/fs/overlayfs/copy_up.c ++++ b/fs/overlayfs/copy_up.c +@@ -156,7 +156,7 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len) + } + + /* Try to use clone_file_range to clone up within the same fs */ +- error = vfs_clone_file_range(old_file, 0, new_file, 0, len); ++ error = do_clone_file_range(old_file, 0, new_file, 0, len); + if (!error) + goto out; + /* Couldn't clone, so now we try to copy the data */ +diff --git a/fs/read_write.c b/fs/read_write.c +index 153f8f690490..c9d489684335 100644 +--- a/fs/read_write.c ++++ b/fs/read_write.c +@@ -1818,8 +1818,8 @@ int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in, + } + EXPORT_SYMBOL(vfs_clone_file_prep_inodes); + +-int vfs_clone_file_range(struct file *file_in, loff_t pos_in, +- struct file *file_out, loff_t pos_out, u64 len) ++int do_clone_file_range(struct file *file_in, loff_t pos_in, ++ struct file *file_out, loff_t pos_out, u64 len) + { + struct inode *inode_in = file_inode(file_in); + struct inode *inode_out = file_inode(file_out); +@@ -1866,6 +1866,19 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in, + + return ret; + } ++EXPORT_SYMBOL(do_clone_file_range); ++ ++int vfs_clone_file_range(struct file *file_in, loff_t pos_in, ++ struct file *file_out, loff_t pos_out, u64 len) ++{ ++ int ret; ++ ++ file_start_write(file_out); ++ ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len); ++ file_end_write(file_out); ++ ++ return ret; ++} + EXPORT_SYMBOL(vfs_clone_file_range); + + /* +diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h +index b25d12ef120a..e3c404833115 100644 +--- a/include/drm/drm_edid.h ++++ b/include/drm/drm_edid.h +@@ -214,9 +214,9 @@ struct detailed_timing { + #define DRM_EDID_HDMI_DC_Y444 (1 << 3) + + /* YCBCR 420 deep color modes */ +-#define DRM_EDID_YCBCR420_DC_48 (1 << 6) +-#define DRM_EDID_YCBCR420_DC_36 (1 << 5) +-#define DRM_EDID_YCBCR420_DC_30 (1 << 4) ++#define DRM_EDID_YCBCR420_DC_48 (1 << 2) ++#define DRM_EDID_YCBCR420_DC_36 (1 << 1) ++#define DRM_EDID_YCBCR420_DC_30 (1 << 0) + #define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \ + DRM_EDID_YCBCR420_DC_36 | \ + DRM_EDID_YCBCR420_DC_30) +diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h +index 38b04f559ad3..1fd6fa822d2c 100644 +--- a/include/linux/bpf_verifier.h ++++ b/include/linux/bpf_verifier.h +@@ -50,6 +50,9 @@ struct bpf_reg_state { + * PTR_TO_MAP_VALUE_OR_NULL + */ + struct bpf_map *map_ptr; ++ ++ /* Max size from any of the above. */ ++ unsigned long raw; + }; + /* Fixed part of pointer offset, pointer types only */ + s32 off; +diff --git a/include/linux/fs.h b/include/linux/fs.h +index a3afa50bb79f..e73363bd8646 100644 +--- a/include/linux/fs.h ++++ b/include/linux/fs.h +@@ -1813,8 +1813,10 @@ extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, + extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in, + struct inode *inode_out, loff_t pos_out, + u64 *len, bool is_dedupe); ++extern int do_clone_file_range(struct file *file_in, loff_t pos_in, ++ struct file *file_out, loff_t pos_out, u64 len); + extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in, +- struct file *file_out, loff_t pos_out, u64 len); ++ struct file *file_out, loff_t pos_out, u64 len); + extern int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff, + struct inode *dest, loff_t destoff, + loff_t len, bool *is_same); +@@ -2755,19 +2757,6 @@ static inline void file_end_write(struct file *file) + __sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE); + } + +-static inline int do_clone_file_range(struct file *file_in, loff_t pos_in, +- struct file *file_out, loff_t pos_out, +- u64 len) +-{ +- int ret; +- +- file_start_write(file_out); +- ret = vfs_clone_file_range(file_in, pos_in, file_out, pos_out, len); +- file_end_write(file_out); +- +- return ret; +-} +- + /* + * get_write_access() gets write permission for a file. + * put_write_access() releases this write permission. +diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c +index 82e8edef6ea0..b000686fa1a1 100644 +--- a/kernel/bpf/verifier.c ++++ b/kernel/bpf/verifier.c +@@ -2731,7 +2731,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, + dst_reg->umax_value = umax_ptr; + dst_reg->var_off = ptr_reg->var_off; + dst_reg->off = ptr_reg->off + smin_val; +- dst_reg->range = ptr_reg->range; ++ dst_reg->raw = ptr_reg->raw; + break; + } + /* A new variable offset is created. Note that off_reg->off +@@ -2761,10 +2761,11 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, + } + dst_reg->var_off = tnum_add(ptr_reg->var_off, off_reg->var_off); + dst_reg->off = ptr_reg->off; ++ dst_reg->raw = ptr_reg->raw; + if (reg_is_pkt_pointer(ptr_reg)) { + dst_reg->id = ++env->id_gen; + /* something was added to pkt_ptr, set range to zero */ +- dst_reg->range = 0; ++ dst_reg->raw = 0; + } + break; + case BPF_SUB: +@@ -2793,7 +2794,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, + dst_reg->var_off = ptr_reg->var_off; + dst_reg->id = ptr_reg->id; + dst_reg->off = ptr_reg->off - smin_val; +- dst_reg->range = ptr_reg->range; ++ dst_reg->raw = ptr_reg->raw; + break; + } + /* A new variable offset is created. If the subtrahend is known +@@ -2819,11 +2820,12 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env, + } + dst_reg->var_off = tnum_sub(ptr_reg->var_off, off_reg->var_off); + dst_reg->off = ptr_reg->off; ++ dst_reg->raw = ptr_reg->raw; + if (reg_is_pkt_pointer(ptr_reg)) { + dst_reg->id = ++env->id_gen; + /* something was added to pkt_ptr, set range to zero */ + if (smin_val < 0) +- dst_reg->range = 0; ++ dst_reg->raw = 0; + } + break; + case BPF_AND: +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index 26526fc41f0d..b27b9509ea89 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -4797,9 +4797,13 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) + + /* + * Add to the _head_ of the list, so that an already-started +- * distribute_cfs_runtime will not see us ++ * distribute_cfs_runtime will not see us. If disribute_cfs_runtime is ++ * not running add to the tail so that later runqueues don't get starved. + */ +- list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); ++ if (cfs_b->distribute_running) ++ list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); ++ else ++ list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + + /* + * If we're the first throttled task, make sure the bandwidth +@@ -4943,14 +4947,16 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun) + * in us over-using our runtime if it is all used during this loop, but + * only by limited amounts in that extreme case. + */ +- while (throttled && cfs_b->runtime > 0) { ++ while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) { + runtime = cfs_b->runtime; ++ cfs_b->distribute_running = 1; + raw_spin_unlock(&cfs_b->lock); + /* we can't nest cfs_b->lock while distributing bandwidth */ + runtime = distribute_cfs_runtime(cfs_b, runtime, + runtime_expires); + raw_spin_lock(&cfs_b->lock); + ++ cfs_b->distribute_running = 0; + throttled = !list_empty(&cfs_b->throttled_cfs_rq); + + cfs_b->runtime -= min(runtime, cfs_b->runtime); +@@ -5061,6 +5067,11 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + + /* confirm we're still not at a refresh boundary */ + raw_spin_lock(&cfs_b->lock); ++ if (cfs_b->distribute_running) { ++ raw_spin_unlock(&cfs_b->lock); ++ return; ++ } ++ + if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) { + raw_spin_unlock(&cfs_b->lock); + return; +@@ -5070,6 +5081,9 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + runtime = cfs_b->runtime; + + expires = cfs_b->runtime_expires; ++ if (runtime) ++ cfs_b->distribute_running = 1; ++ + raw_spin_unlock(&cfs_b->lock); + + if (!runtime) +@@ -5080,6 +5094,7 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + raw_spin_lock(&cfs_b->lock); + if (expires == cfs_b->runtime_expires) + cfs_b->runtime -= min(runtime, cfs_b->runtime); ++ cfs_b->distribute_running = 0; + raw_spin_unlock(&cfs_b->lock); + } + +@@ -5188,6 +5203,7 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) + cfs_b->period_timer.function = sched_cfs_period_timer; + hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + cfs_b->slack_timer.function = sched_cfs_slack_timer; ++ cfs_b->distribute_running = 0; + } + + static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq) +diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h +index c7742dcc136c..4565c3f9ecc5 100644 +--- a/kernel/sched/sched.h ++++ b/kernel/sched/sched.h +@@ -346,6 +346,8 @@ struct cfs_bandwidth { + int nr_periods; + int nr_throttled; + u64 throttled_time; ++ ++ bool distribute_running; + #endif + }; + +diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c +index aae18af94c94..6c78bc2b7fff 100644 +--- a/kernel/trace/trace_events_hist.c ++++ b/kernel/trace/trace_events_hist.c +@@ -747,16 +747,30 @@ static void free_synth_field(struct synth_field *field) + kfree(field); + } + +-static struct synth_field *parse_synth_field(char *field_type, +- char *field_name) ++static struct synth_field *parse_synth_field(int argc, char **argv, ++ int *consumed) + { + struct synth_field *field; ++ const char *prefix = NULL; ++ char *field_type = argv[0], *field_name; + int len, ret = 0; + char *array; + + if (field_type[0] == ';') + field_type++; + ++ if (!strcmp(field_type, "unsigned")) { ++ if (argc < 3) ++ return ERR_PTR(-EINVAL); ++ prefix = "unsigned "; ++ field_type = argv[1]; ++ field_name = argv[2]; ++ *consumed = 3; ++ } else { ++ field_name = argv[1]; ++ *consumed = 2; ++ } ++ + len = strlen(field_name); + if (field_name[len - 1] == ';') + field_name[len - 1] = '\0'; +@@ -769,11 +783,15 @@ static struct synth_field *parse_synth_field(char *field_type, + array = strchr(field_name, '['); + if (array) + len += strlen(array); ++ if (prefix) ++ len += strlen(prefix); + field->type = kzalloc(len, GFP_KERNEL); + if (!field->type) { + ret = -ENOMEM; + goto free; + } ++ if (prefix) ++ strcat(field->type, prefix); + strcat(field->type, field_type); + if (array) { + strcat(field->type, array); +@@ -1018,7 +1036,7 @@ static int create_synth_event(int argc, char **argv) + struct synth_field *field, *fields[SYNTH_FIELDS_MAX]; + struct synth_event *event = NULL; + bool delete_event = false; +- int i, n_fields = 0, ret = 0; ++ int i, consumed = 0, n_fields = 0, ret = 0; + char *name; + + mutex_lock(&synth_event_mutex); +@@ -1070,16 +1088,16 @@ static int create_synth_event(int argc, char **argv) + goto err; + } + +- field = parse_synth_field(argv[i], argv[i + 1]); ++ field = parse_synth_field(argc - i, &argv[i], &consumed); + if (IS_ERR(field)) { + ret = PTR_ERR(field); + goto err; + } +- fields[n_fields] = field; +- i++; n_fields++; ++ fields[n_fields++] = field; ++ i += consumed - 1; + } + +- if (i < argc) { ++ if (i < argc && strcmp(argv[i], ";") != 0) { + ret = -EINVAL; + goto err; + }