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17e6ffa6a5
qemu/hw
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Paolo Bonzini 17e6ffa6a5 hw/i386/amd_iommu: Fix maybe-uninitialized error with GCC 12 
Be more explicit that the loop must roll at least once.  Avoids the
following warning:

  FAILED: libqemu-x86_64-softmmu.fa.p/hw_i386_amd_iommu.c.o
  In function 'pte_get_page_mask',
      inlined from 'amdvi_page_walk' at hw/i386/amd_iommu.c:945:25,
      inlined from 'amdvi_do_translate' at hw/i386/amd_iommu.c:989:5,
      inlined from 'amdvi_translate' at hw/i386/amd_iommu.c:1038:5:
  hw/i386/amd_iommu.c:877:38: error: 'oldlevel' may be used uninitialized [-Werror=maybe-uninitialized]
    877 |     return ~((1UL << ((oldlevel * 9) + 3)) - 1);
        |                      ~~~~~~~~~~~~~~~~^~~~
  hw/i386/amd_iommu.c: In function 'amdvi_translate':
  hw/i386/amd_iommu.c:906:41: note: 'oldlevel' was declared here
    906 |     unsigned level, present, pte_perms, oldlevel;
        |                                         ^~~~~~~~
  cc1: all warnings being treated as errors

Having:

  $ gcc --version
  gcc (Debian 12-20220313-1) 12.0.1 20220314 (experimental)

Reported-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-21 15:57:47 +01:00
..
9pfs 9pfs/coth.h: drop Doxygen format on v9fs_co_run_in_worker() 2022-03-07 11:49:31 +01:00
acpi hw/acpi: add indication for i8042 in IA-PC boot flags of the FADT table 2022-03-06 16:06:16 -05:00
adc hw/adc: Add basic Aspeed ADC model 2021-10-12 08:20:08 +02:00
alpha hw/alpha: Provide a PCI-ISA bridge device node 2021-06-28 07:27:32 -07:00
arm I²C / SMBus / PMBus patches 2022-03-09 21:16:27 +00:00
audio hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
avr hw/avr: Realize AVRCPU qdev object using qdev_realize() 2021-12-17 10:43:24 +01:00
block aspeed queue: 2022-03-09 18:06:40 +00:00
char hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
core clock-vmstate: Add missing END_OF_LIST 2022-03-02 18:12:40 +00:00
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
display macfb: set initial value of mode control registers in macfb_common_realize() 2022-03-09 09:29:10 +00:00
dma Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
gpio hw: aspeed_gpio: Cleanup stray semicolon after switch 2022-03-08 09:18:11 +01:00
hppa hppa: Add support for an emulated TOC/NMI button. 2022-02-02 18:46:42 +01:00
hyperv dma: Let dma_memory_map() take MemTxAttrs argument 2021-12-30 17:16:32 +01:00
i2c hw/i2c: Added linear mode translation for pmbus devices 2022-03-08 18:46:48 +01:00
i386 hw/i386/amd_iommu: Fix maybe-uninitialized error with GCC 12 2022-03-21 15:57:47 +01:00
ide MIPS patches queue 2022-03-09 09:13:39 +00:00
input hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
intc ppc/xive2: Make type Xive2EndSource not user creatable 2022-03-14 15:57:17 +01:00
ipack qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
ipmi hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
isa hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
m68k mos6522: implement edge-triggering for CA1/2 and CB1/2 control line IRQs 2022-03-09 09:28:28 +00:00
mem Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
microblaze hw/microblaze: Replace drive_get_next() by drive_get() 2021-12-15 08:38:16 +01:00
mips hw/mips/gt64xxx_pci: Resolve gt64120_register() 2022-03-08 19:38:13 +01:00
misc kvm/msi: do explicit commit when adding msi routes 2022-03-15 11:26:20 +01:00
net virtio-net: fix map leaking on error during receive 2022-03-15 13:57:44 +08:00
nios2 Do not include cpu.h if it's not really necessary 2021-05-02 17:24:51 +02:00
nubus qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
nvme hw/nvme: 64-bit pi support 2022-03-03 09:30:21 +01:00
nvram hw/nvram: at24 return 0xff if 1 byte address 2022-03-14 14:48:35 +01:00
openrisc hw/openrisc/openrisc_sim: Add support for initrd loading 2022-02-26 10:39:36 +09:00
pci acpi: pcihp: pcie: set power on cap on parent slot 2022-03-06 05:08:23 -05:00
pci-bridge pci: expose TYPE_XIO3130_DOWNSTREAM name 2022-03-06 05:08:23 -05:00
pci-host ppc/pnv: Remove user-created PHB{3,4,5} devices 2022-03-14 15:57:17 +01:00
pcmcia hw/pcmcia: Do not register PCMCIA type if not required 2021-05-02 17:24:50 +02:00
ppc ppc/pnv: Remove user-created PHB{3,4,5} devices 2022-03-14 15:57:17 +01:00
rdma hw/dma: Use dma_addr_t type definition when relevant 2022-01-18 12:56:29 +01:00
remote hw/remote: Add missing include 2022-02-21 10:18:06 +01:00
riscv hw: riscv: opentitan: fixup SPI addresses 2022-03-03 13:14:50 +10:00
rtc hw/isa: Inline and remove one-line isa_init_irq() 2022-03-08 19:38:17 +01:00
rx hw/rx/rx-gdbsim: Do not accept invalid memory size 2021-05-03 10:07:41 +02:00
s390x s390x/cpumodel: Bump up QEMU model to a stripped-down IBM z15 GA1 2022-02-28 11:29:15 +01:00
scsi esp: recreate ESPState current_req after migration 2022-03-09 09:29:10 +00:00
sd Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
sensor hw/sensor: add Renesas raa228000 device 2022-03-08 18:46:48 +01:00
sh4 hw/intc/sh_intc: Inline and drop sh_intc_source() function 2021-10-30 18:39:37 +02:00
smbios hw/smbios: Add table 4 parameter, "processor-id" 2022-03-06 05:28:55 -05:00
sparc sun4m: fix setting CPU id when more than one CPU is present 2021-09-08 11:09:45 +01:00
sparc64 hw: Replace trivial drive_get_next() by drive_get() 2021-12-15 08:38:16 +01:00
ssi aspeed/smc: Fix error log 2022-03-08 09:18:11 +01:00
timer hw/timer: fix a9gtimer vmstate 2022-02-21 13:30:21 +00:00
tpm MIPS patches queue 2022-03-09 09:13:39 +00:00
tricore hw/tricore: fix inclusion of tricore_testboard 2021-07-20 20:10:21 +02:00
usb hw/usb/redirect.c: Stop using qemu_oom_check() 2022-03-04 11:20:16 +01:00
vfio kvm/msi: do explicit commit when adding msi routes 2022-03-15 11:26:20 +01:00
virtio * whpx fixes in preparation for GDB support (Ivan) 2022-03-15 14:41:16 +00:00
watchdog watchdog: remove select_watchdog_action 2021-11-02 15:57:27 +01:00
xen aio-posix: split poll check from ready handler 2022-01-12 17:09:39 +00:00
xenpv meson: convert hw/arch* 2020-08-21 06:30:33 -04:00
xtensa Do not include exec/address-spaces.h if it's not really necessary 2021-05-02 17:24:51 +02:00
Kconfig hw/arm: xlnx-zcu102: Add Xilinx eFUSE device 2021-09-30 13:42:10 +01:00
meson.build sensor: Move hardware sensors from misc to a sensor directory 2021-06-17 07:10:32 -05:00