AcoSail/kernel_optimize_test
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kernel_optimize_test/drivers
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Ard Biesheuvel 015e2c900b efi/libstub: arm64: Relax 2M alignment again for relocatable kernels 
[ Upstream commit 3a262423755b83a5f85009ace415d6e7f572dfe8 ]

Commit 82046702e2 ("efi/libstub/arm64: Replace 'preferred' offset with
alignment check") simplified the way the stub moves the kernel image
around in memory before booting it, given that a relocatable image does
not need to be copied to a 2M aligned offset if it was loaded on a 64k
boundary by EFI.

Commit d32de9130f ("efi/arm64: libstub: Deal gracefully with
EFI_RNG_PROTOCOL failure") inadvertently defeated this logic by
overriding the value of efi_nokaslr if EFI_RNG_PROTOCOL is not
available, which was mistaken by the loader logic as an explicit request
on the part of the user to disable KASLR and any associated relocation
of an Image not loaded on a 2M boundary.

So let's reinstate this functionality, by capturing the value of
efi_nokaslr at function entry to choose the minimum alignment.

Fixes: d32de9130f ("efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-18 08:59:14 +02:00
..
accessibility
acpi ACPI: NFIT: Fix support for virtual SPA ranges 2021-08-18 08:59:07 +02:00
amba
android
ata libata: fix ata_pio_sector for CONFIG_HIGHMEM 2021-08-12 13:22:19 +02:00
atm atm: nicstar: register the interrupt handler in the right place 2021-07-19 09:44:52 +02:00
auxdisplay
base drivers core: Fix oops when driver probe fails 2021-08-12 13:22:14 +02:00
bcma
block nbd: Aovid double completion of a request 2021-08-18 08:59:14 +02:00
bluetooth Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc. 2021-07-19 09:44:54 +02:00
bus bus: ti-sysc: AM3: RNG is GP only 2021-08-12 13:22:16 +02:00
cdrom cdrom: gdrom: initialize global variable at init time 2021-05-26 12:06:55 +02:00
char tpm_ftpm_tee: Free and unregister TEE shared memory during kexec 2021-08-12 13:22:13 +02:00
clk clk: fix leak on devm_clk_bulk_get_all() unwind 2021-08-12 13:22:11 +02:00
clocksource clocksource/arm_arch_timer: Improve Allwinner A64 timer workaround 2021-07-19 09:44:59 +02:00
connector
counter
cpufreq cpufreq: Make cpufreq_online() call driver->offline() on errors 2021-07-14 16:56:13 +02:00
cpuidle
crypto crypto: qce - fix error return code in qce_skcipher_async_req_handle() 2021-07-14 16:56:54 +02:00
dax
dca
devfreq PM / devfreq: Add missing error code in devfreq_add_device() 2021-07-14 16:56:11 +02:00
dio
dma dmaengine: imx-dma: configure the generic DMA type to make it work 2021-08-12 13:22:05 +02:00
dma-buf dma-buf/sync_file: Don't leak fences on merge failure 2021-07-25 14:36:20 +02:00
edac EDAC/Intel: Do not load EDAC driver when running as a guest 2021-07-14 16:56:00 +02:00
eisa
extcon extcon: intel-mrfld: Sync hardware and software state on init 2021-07-19 09:45:00 +02:00
firewire
firmware efi/libstub: arm64: Relax 2M alignment again for relocatable kernels 2021-08-18 08:59:14 +02:00
fpga fpga: dfl: fme: Fix cpu hotplug issue in performance reporting 2021-08-12 13:22:15 +02:00
fsi fsi: Add missing MODULE_DEVICE_TABLE 2021-07-20 16:05:42 +02:00
gnss
gpio Revert "gpio: mpc8xxx: change the gpio interrupt flags." 2021-08-12 13:22:16 +02:00
gpu drm/i915: Only access SFC_DONE when media domain is not fused off 2021-08-18 08:59:13 +02:00
greybus
hid HID: wacom: Re-enable touch by default for Cintiq 24HDT / 27QHDT 2021-08-04 12:46:41 +02:00
hsi
hv drivers: hv: Fix missing error code in vmbus_connect() 2021-07-14 16:55:59 +02:00
hwmon hwmon: (max31790) Fix fan speed reporting for fan7..12 2021-07-14 16:56:08 +02:00
hwspinlock
hwtracing intel_th: Wait until port is in reset before programming it 2021-07-20 16:05:46 +02:00
i2c i2c: dev: zero out array used for i2c reads from userspace 2021-08-18 08:59:05 +02:00
i3c
ide
idle
iio iio: adc: Fix incorrect exit of for-loop 2021-08-18 08:59:05 +02:00
infiniband net/mlx5: Synchronize correct IRQ when destroying CQ 2021-08-18 08:59:11 +02:00
input Input: hideep - fix the uninitialized use in hideep_nvm_unlock() 2021-07-20 16:05:44 +02:00
interconnect interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes 2021-08-12 13:22:18 +02:00
iommu iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation 2021-07-20 16:05:43 +02:00
ipack ipack/carriers/tpci200: Fix a double free in tpci200_pci_probe 2021-07-19 09:45:01 +02:00
irqchip irqchip/gic-v3: Workaround inconsistent PMR setting on NMI entry 2021-06-23 14:42:49 +02:00
isdn mISDN: fix possible use-after-free in HFC_cleanup() 2021-07-19 09:44:38 +02:00
leds leds: turris-omnia: add missing MODULE_DEVICE_TABLE 2021-07-20 16:05:45 +02:00
lightnvm
macintosh
mailbox mailbox: qcom-ipcc: Fix IPCC mbox channel exhaustion 2021-07-14 16:56:53 +02:00
mcb
md md/raid10: properly indicate failure when ending a failed write request 2021-08-12 13:22:17 +02:00
media media: rtl28xxu: fix zero-length control request 2021-08-12 13:22:14 +02:00
memory memory: tegra: Fix compilation warnings on 64bit platforms 2021-07-25 14:36:14 +02:00
memstick memstick: rtsx_usb_ms: fix UAF 2021-07-14 16:55:53 +02:00
message
mfd mfd: cpcap: Fix cpcap dmamask not set warnings 2021-07-20 16:05:42 +02:00
misc misc: eeprom: at24: Always append device id even if label property is set. 2021-07-28 14:35:46 +02:00
mmc mmc: core: Don't allocate IDA for OF aliases 2021-07-28 14:35:42 +02:00
most
mtd mtd: rawnand: marvell: add missing clk_disable_unprepare() on error in marvell_nfc_resume() 2021-07-14 16:56:47 +02:00
mux
net net: dsa: sja1105: fix broken backpressure in .port_fdb_dump 2021-08-18 08:59:12 +02:00
nfc nfc: nfcsim: fix use after free during module unload 2021-08-04 12:46:41 +02:00
ntb
nubus
nvdimm libnvdimm/region: Fix label activation vs errors 2021-08-18 08:59:07 +02:00
nvme nvme: fix nvme_setup_command metadata trace event 2021-08-08 09:05:23 +02:00
nvmem nvmem: core: add a missing of_node_put 2021-07-19 09:45:00 +02:00
of of: Fix truncation of memory sizes on 32-bit platforms 2021-07-14 16:56:46 +02:00
opp
oprofile
parisc
parport
pci PCI: Mark AMD Navi14 GPU ATS as broken 2021-07-28 14:35:47 +02:00
pcmcia pcmcia: i82092: fix a null pointer dereference bug 2021-08-12 13:22:16 +02:00
perf perf/arm-cmn: Fix invalid pointer when access dtc object sharing the same IRQ number 2021-07-14 16:56:08 +02:00
phy phy: intel: Fix for warnings due to EMMC clock 175Mhz change in FIP 2021-07-20 16:05:46 +02:00
pinctrl pinctrl: tigerlake: Fix GPIO mapping for newer version of software 2021-08-18 08:59:09 +02:00
platform platform/x86: pcengines-apuv2: Add missing terminating entries to gpio-lookup tables 2021-08-18 08:59:09 +02:00
pnp
power power: supply: rt5033_battery: Fix device tree enumeration 2021-07-20 16:05:50 +02:00
powercap
pps
ps3
ptp ptp: improve max_adj check against unreasonable values 2021-06-23 14:42:45 +02:00
pwm pwm: sprd: Ensure configuring period and duty_cycle isn't wrongly skipped 2021-07-28 14:35:34 +02:00
rapidio rapidio: handle create_workqueue() failure 2021-05-26 12:06:52 +02:00
ras
regulator regulator: rtmv20: Fix wrong mask for strobe-polarity-high 2021-08-08 09:05:22 +02:00
remoteproc remoteproc: k3-r5: Fix an error message 2021-07-20 16:05:50 +02:00
reset reset: ti-syscon: fix to_ti_syscon_reset_data macro 2021-07-25 14:36:11 +02:00
rpmsg
rtc rtc: max77686: Do not enforce (incorrect) interrupt trigger type 2021-07-25 14:36:16 +02:00
s390 s390/sclp_vt220: fix console name to match device 2021-07-20 16:05:42 +02:00
sbus
scsi scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash 2021-08-18 08:59:06 +02:00
sfi
sh
siox
slimbus
soc soc: ixp4xx/qmgr: fix invalid __iomem access 2021-08-12 13:22:18 +02:00
soundwire soundwire: stream: Fix test for DP prepare complete 2021-07-14 16:56:47 +02:00
spi spi: meson-spicc: fix memory leak in meson_spicc_remove 2021-08-12 13:22:18 +02:00
spmi
ssb ssb: Fix error return code in ssb_bus_scan() 2021-07-14 16:56:21 +02:00
staging staging: rtl8712: error handling refactoring 2021-08-12 13:22:14 +02:00
target scsi: target: Fix protect handling in WRITE SAME(32) 2021-07-28 14:35:39 +02:00
tc
tee tee: Correct inappropriate usage of TEE_SHM_DMA_BUF flag 2021-08-15 14:00:24 +02:00
thermal thermal/core/thermal_of: Stop zone device before unregistering it 2021-07-25 14:36:17 +02:00
thunderbolt thunderbolt: Bond lanes only when dual_link_port != NULL in alloc_dev_default() 2021-07-14 16:56:44 +02:00
tty serial: 8250_pci: Avoid irq sharing for MSI(-X) interrupts. 2021-08-12 13:22:15 +02:00
uio uio_hv_generic: Fix a memory leak in error handling paths 2021-05-26 12:06:52 +02:00
usb USB:ehci:fix Kunpeng920 ehci hardware problem 2021-08-15 14:00:26 +02:00
vdpa net/mlx5: Synchronize correct IRQ when destroying CQ 2021-08-18 08:59:11 +02:00
vfio vfio/pci: Handle concurrent vma faults 2021-07-14 16:56:50 +02:00
vhost
video backlight: lm3630a: Fix return code of .update_status() callback 2021-07-20 16:05:45 +02:00
virt
virtio
visorbus visorbus: fix error return code in visorchipset_init() 2021-07-14 16:56:41 +02:00
vlynq
vme
w1 w1: ds2438: fixing bug that would always get page0 2021-07-20 16:05:39 +02:00
watchdog Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout" 2021-08-08 09:05:24 +02:00
xen xen/events: Fix race in set_evtchn_to_irq 2021-08-18 08:59:14 +02:00
zorro
Kconfig
Makefile