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Jens Wiklander d9721f19cd hw/intc/arm_gicv3: fix prio masking on pmr write 
With commit 39f29e5993 ("hw/intc/arm_gicv3: Use correct number of
priority bits for the CPU") the number of priority bits was changed from
the maximum value 8 to typically 5. As a consequence a few of the lowest
bits in ICC_PMR_EL1 becomes RAZ/WI. However prior to this patch one of
these bits was still used since the supplied priority value is masked
before it's eventually right shifted with one bit. So the bit is not
lost as one might expect when the register is read again.

The Linux kernel depends on lowest valid bit to be reset to zero, see
commit 33625282adaa ("irqchip/gic-v3: Probe for SCR_EL3 being clear
before resetting AP0Rn") for details.

So fix this by masking the priority value after it may have been right
shifted by one bit.

Cc: qemu-stable@nongnu.org
Fixes: 39f29e5993 ("hw/intc/arm_gicv3: Use correct number of priority bits for the CPU")
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 		2022-11-14 15:10:58 +00:00
..
9pfs Pull request 2022-10-25 11:37:17 -04:00
acpi hw/acpi/erst.c: Fix memory handling issues 2022-11-07 14:08:17 -05:00
adc hw/adc: Make adci[*] R/W in NPCM7XX ADC 2022-07-18 13:20:14 +01:00
alpha hw: Remove unused MAX_IDE_BUS define 2022-10-31 11:32:07 +01:00
arm pci,pc,virtio: features, tests, fixes, cleanups 2022-11-07 18:43:56 -05:00
audio hw/audio/cs4231a: Const'ify global tables 2022-06-11 11:44:50 +02:00
avr Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
block Revert "hw/block/pflash_cfi: Error out if dev length isn't power of 2" 2022-11-08 15:53:40 -05:00
char Drop useless casts from g_malloc() & friends to pointer 2022-10-22 23:15:40 +02:00
core pci,pc,virtio: features, tests, fixes, cleanups 2022-11-07 18:43:56 -05:00
cpu cpu/core: Fix "help" of CPU core device types 2021-04-09 16:05:16 -04:00
cris Do not include exec/address-spaces.h if it's not really necessary 2021-05-02 17:24:51 +02:00
cxl hw/cxl/cdat: CXL CDAT Data Object Exchange implementation 2022-11-07 13:12:19 -05:00
display display: include dependencies explicitly 2022-11-10 10:17:18 -05:00
dma treewide: Remove the unnecessary space before semicolon 2022-10-24 13:41:10 +02:00
gpio hw/gpio/meson: Introduce dedicated config switch for hw/gpio/mpc8xxx 2022-10-17 16:15:09 -03:00
hppa hw: Remove unused MAX_IDE_BUS define 2022-10-31 11:32:07 +01:00
hyperv hw/hyperv/hyperv.c: Use device_cold_reset() instead of device_legacy_reset() 2022-10-27 10:27:23 +01:00
i2c hw/i2c/aspeed: Fix old reg slave receive 2022-10-24 11:20:15 +02:00
i386 pci,pc,virtio: features, tests, fixes, cleanups 2022-11-07 18:43:56 -05:00
ide hw/ppc/mac.h: Rename to include/hw/nvram/mac_nvram.h 2022-10-31 18:48:23 +00:00
input pckbd: remove legacy i8042_mm_init() function 2022-07-18 19:28:46 +01:00
intc hw/intc/arm_gicv3: fix prio masking on pmr write 2022-11-14 15:10:58 +00:00
ipack qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
ipmi ipmi:smbus: Add a check around a memcpy 2022-08-01 06:40:50 -05:00
isa acpi: pc/q35: drop ad-hoc PCI-ISA bridge AML routines and let bus ennumeration generate AML 2022-11-07 14:08:17 -05:00
loongarch hw/loongarch: Fix loongarch fdt addr confict 2022-11-12 11:05:52 +10:00
m68k m68k/q800: do not re-randomize RNG seed on snapshot load 2022-10-27 11:34:31 +01:00
mem hw/mem/cxl-type3: Add CXL CDAT Data Object Exchange 2022-11-07 13:12:19 -05:00
microblaze hw/microblaze: pass random seed to fdt 2022-09-21 19:59:56 +02:00
mips hw/mips/malta: Use bootloader helper to set BAR registers 2022-10-31 11:32:56 +01:00
misc mac_nvram: Use NVRAM_SIZE constant 2022-10-31 18:48:23 +00:00
net * Fix "unused variable" warnings from Clang 15 2022-11-11 11:44:48 -05:00
nios2 hw/nios2: set machine->fdt in nios2_load_dtb() 2022-10-17 16:15:10 -03:00
nubus qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
nvme pci,pc,virtio: features, tests, fixes, cleanups 2022-11-07 18:43:56 -05:00
nvram hw/ppc/mac.h: Rename to include/hw/nvram/mac_nvram.h 2022-10-31 18:48:23 +00:00
openrisc openrisc: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
pci msix: Assert that specified vector is in range 2022-11-07 14:08:17 -05:00
pci-bridge hw/pci-bridge/cxl-upstream: Add a CDAT table access DOE 2022-11-07 13:12:19 -05:00
pci-host hw/pci-host/pnv_phb: Avoid quitting QEMU if hotplug of pnv-phb-root-port fails 2022-11-10 18:22:10 -03:00
pcmcia hw/pcmcia: Do not register PCMCIA type if not required 2021-05-02 17:24:50 +02:00
ppc mac_newworld: Turn CORE99_VIA_CONFIG defines into an enum 2022-10-31 18:48:23 +00:00
rdma msix: Assert that specified vector is in range 2022-11-07 14:08:17 -05:00
remote msix: Assert that specified vector is in range 2022-11-07 14:08:17 -05:00
riscv riscv: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
rtc goldfish_rtc: Add big-endian property 2022-09-04 07:02:56 +01:00
rx rx: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
s390x s390x/s390-virtio-ccw: Switch off zPCI enhancements on older machines 2022-11-08 10:11:02 +01:00
scsi Fix several typos in documentation (found by codespell) 2022-11-11 09:39:25 +01:00
sd hw/sd/sdhci: Rename ESDHC_* defines to USDHC_* 2022-10-28 13:26:20 -03:00
sensor hw/sensor: Add Renesas ISL69259 device model 2022-07-14 16:24:38 +02:00
sh4 Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
smbios hw/smbios: add core_count2 to smbios table type 4 2022-11-07 14:08:17 -05:00
sparc machine: make memory-backend a link property 2022-05-12 12:29:44 +02:00
sparc64 hw: Remove unused MAX_IDE_BUS define 2022-10-31 11:32:07 +01:00
ssi aspeed/smc: Cache AspeedSMCClass 2022-10-24 11:20:15 +02:00
timer target/imx: reload cmp timer outside of the reload ptimer transaction 2022-10-27 10:27:23 +01:00
tpm tpm_crb: Avoid backend startup just before shutdown under Xen 2022-09-09 17:55:59 -04:00
tricore hw/tricore: fix inclusion of tricore_testboard 2021-07-20 20:10:21 +02:00
usb host-libusb: Remove unused variable 2022-11-11 09:12:10 +01:00
vfio pci,pc,virtio: features, tests, fixes, cleanups 2022-11-07 18:43:56 -05:00
virtio hw/virtio: introduce virtio_device_should_start 2022-11-07 14:08:18 -05:00
watchdog watchdog: remove -watchdog option 2022-09-29 11:40:28 +02:00
xen xen/pt: fix syntax error that causes FTBFS in some configurations 2022-11-05 20:35:45 +01:00
xenpv Warn user if the vga flag is passed but no vga device is created 2022-05-09 08:21:14 +02:00
xtensa hw/xtensa: fix reset value of MIROUT register of MX PIC 2022-05-06 15:27:40 -07:00
Kconfig hw/loongarch: Add support loongson3 virt machine type. 2022-06-06 18:09:03 +00:00
meson.build hw/loongarch: Add support loongson3 virt machine type. 2022-06-06 18:09:03 +00:00