kernel-5.16.10-200
* Wed Feb 16 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.16.10-200] - New configs for 5.16.10 (Justin M. Forbes) Resolves: rhbz# Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
This commit is contained in:
Justin M. Forbes
parent
595cb283e6
commit
26986cd320
13 changed files with 77 additions and 58 deletions
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@ -4,7 +4,6 @@
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arch/s390/include/asm/ipl.h | 1 +
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arch/s390/kernel/ipl.c | 5 +
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arch/s390/kernel/setup.c | 4 +
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arch/x86/kernel/resource.c | 23 +++-
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arch/x86/kernel/setup.c | 22 ++--
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crypto/rng.c | 73 +++++++++++-
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drivers/acpi/apei/hest.c | 8 ++
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@ -31,6 +30,7 @@
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drivers/nvme/host/nvme.h | 4 +
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drivers/pci/quirks.c | 24 ++++
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drivers/usb/core/hub.c | 7 ++
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drivers/usb/gadget/legacy/inode.c | 10 +-
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include/linux/efi.h | 22 ++--
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include/linux/lsm_hook_defs.h | 2 +
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include/linux/lsm_hooks.h | 6 +
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@ -47,10 +47,10 @@
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security/lockdown/lockdown.c | 1 +
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security/security.c | 6 +
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tools/testing/selftests/netfilter/nft_nat.sh | 5 +-
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49 files changed, 820 insertions(+), 196 deletions(-)
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49 files changed, 805 insertions(+), 198 deletions(-)
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diff --git a/Makefile b/Makefile
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index 1f32bb42f328..592f45010531 100644
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index 36bbff16530b..e17c7fd5312f 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
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@ -81,10 +81,10 @@ index c2724d986fa0..8063dcef65f7 100644
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The VM uses one page of physical memory for each page table.
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For systems with a lot of processes, this can use a lot of
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diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
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index c4207cf9bb17..9e440657f15e 100644
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index ae0e93871ee5..7d5274349536 100644
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--- a/arch/arm64/Kconfig
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+++ b/arch/arm64/Kconfig
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@@ -1023,7 +1023,7 @@ endchoice
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@@ -1093,7 +1093,7 @@ endchoice
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config ARM64_FORCE_52BIT
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bool "Force 52-bit virtual addresses for userspace"
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@ -93,7 +93,7 @@ index c4207cf9bb17..9e440657f15e 100644
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help
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For systems with 52-bit userspace VAs enabled, the kernel will attempt
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to maintain compatibility with older software by providing 48-bit VAs
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@@ -1277,6 +1277,7 @@ config XEN
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@@ -1347,6 +1347,7 @@ config XEN
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config FORCE_MAX_ZONEORDER
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int
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default "14" if ARM64_64K_PAGES
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@ -148,49 +148,6 @@ index 225ab2d0a4c6..6a06cde25ca2 100644
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/* Have one command line that is parsed and saved in /proc/cmdline */
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/* boot_command_line has been already set up in early.c */
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*cmdline_p = boot_command_line;
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diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
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index 9b9fb7882c20..9ae64f9af956 100644
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--- a/arch/x86/kernel/resource.c
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+++ b/arch/x86/kernel/resource.c
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@@ -1,4 +1,5 @@
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// SPDX-License-Identifier: GPL-2.0
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+#include <linux/dmi.h>
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#include <linux/ioport.h>
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#include <asm/e820/api.h>
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@@ -23,11 +24,31 @@ static void resource_clip(struct resource *res, resource_size_t start,
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res->start = end + 1;
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}
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+/*
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+ * Some BIOS-es contain a bug where they add addresses which map to
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+ * system RAM in the PCI host bridge window returned by the ACPI _CRS
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+ * method, see commit 4dc2287c1805 ("x86: avoid E820 regions when
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+ * allocating address space"). To avoid this Linux by default excludes
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+ * E820 reservations when allocating addresses since 2010.
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+ * In 2019 some systems have shown-up with E820 reservations which cover
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+ * the entire _CRS returned PCI host bridge window, causing all attempts
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+ * to assign memory to PCI BARs to fail if Linux uses E820 reservations.
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+ *
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+ * Ideally Linux would fully stop using E820 reservations, but then
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+ * the old systems this was added for will regress.
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+ * Instead keep the old behavior for old systems, while ignoring the
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+ * E820 reservations for any systems from now on.
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+ */
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static void remove_e820_regions(struct resource *avail)
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{
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- int i;
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+ int i, year = dmi_get_bios_year();
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struct e820_entry *entry;
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+ if (year >= 2018)
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+ return;
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+
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+ pr_info_once("PCI: Removing E820 reservations from host bridge windows\n");
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+
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for (i = 0; i < e820_table->nr_entries; i++) {
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entry = &e820_table->entries[i];
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diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
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index e04f5e6eb33f..8015e3d2dc9a 100644
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--- a/arch/x86/kernel/setup.c
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@ -1257,7 +1214,7 @@ index 258d5fe3d395..f7298e3dc8f3 100644
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if (data->f01_container->dev.driver) {
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/* Driver already bound, so enable ATTN now. */
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diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
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index 8b86406b7162..2dffe129b902 100644
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index 3632bf8b4031..f9675209b5a2 100644
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--- a/drivers/iommu/iommu.c
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+++ b/drivers/iommu/iommu.c
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@@ -7,6 +7,7 @@
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@ -1268,7 +1225,7 @@ index 8b86406b7162..2dffe129b902 100644
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#include <linux/dma-iommu.h>
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#include <linux/kernel.h>
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#include <linux/bits.h>
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@@ -3119,6 +3120,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle)
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@@ -3124,6 +3125,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle)
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}
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EXPORT_SYMBOL_GPL(iommu_sva_get_pasid);
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@ -1607,6 +1564,42 @@ index ac6c5ccfe1cb..ec784479eece 100644
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/* Lock the device, then check to see if we were
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* disconnected while waiting for the lock to succeed. */
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usb_lock_device(hdev);
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diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
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index 3b58f4fc0a80..25c8809e0a38 100644
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--- a/drivers/usb/gadget/legacy/inode.c
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+++ b/drivers/usb/gadget/legacy/inode.c
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@@ -1826,8 +1826,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
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spin_lock_irq (&dev->lock);
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value = -EINVAL;
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if (dev->buf) {
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+ spin_unlock_irq(&dev->lock);
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kfree(kbuf);
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- goto fail;
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+ return value;
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}
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dev->buf = kbuf;
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@@ -1874,8 +1875,8 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
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value = usb_gadget_probe_driver(&gadgetfs_driver);
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if (value != 0) {
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- kfree (dev->buf);
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- dev->buf = NULL;
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+ spin_lock_irq(&dev->lock);
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+ goto fail;
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} else {
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/* at this point "good" hardware has for the first time
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* let the USB the host see us. alternatively, if users
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@@ -1892,6 +1893,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
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return value;
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fail:
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+ dev->config = NULL;
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+ dev->hs_config = NULL;
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+ dev->dev = NULL;
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spin_unlock_irq (&dev->lock);
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pr_debug ("%s: %s fail %zd, %p\n", shortname, __func__, value, dev);
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kfree (dev->buf);
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diff --git a/include/linux/efi.h b/include/linux/efi.h
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index ef8dbc0a1522..836a5dfc6156 100644
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--- a/include/linux/efi.h
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