diff options
Diffstat (limited to 'gitlab/issues_text/target_i386/host_missing/accel_missing/1164')
| -rw-r--r-- | gitlab/issues_text/target_i386/host_missing/accel_missing/1164 | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/gitlab/issues_text/target_i386/host_missing/accel_missing/1164 b/gitlab/issues_text/target_i386/host_missing/accel_missing/1164 deleted file mode 100644 index d79ec6483..000000000 --- a/gitlab/issues_text/target_i386/host_missing/accel_missing/1164 +++ /dev/null @@ -1,17 +0,0 @@ -q35: incorrect values for PCIEXBAR masks -Description of problem: -https://lore.kernel.org/all/1fded151ce5ecbf7010427871b908000b2aba9ee.1520867956.git.x1917x@gmail.com/ - -In function [mch_update_pciexbar](https://gitlab.com/qemu-project/qemu/-/blob/master/hw/pci-host/q35.c#L295) - -There are two small issues in PCIEXBAR address mask handling: -- wrong bit positions for address mask bits (see PCIEXBAR description - in Q35 datasheet) -- incorrect usage of 64ADR_MASK - -Due to this, attempting to write a valid PCIEXBAR address may cause it to -shift to another address, causing memory layout corruption where emulated -MMIO regions may overlap real (passed through) MMIO ranges. Fix this -by providing correct values. -Additional information: -Q35 datasheet: https://www.intel.com/Assets/PDF/datasheet/316966.pdf ( 5.1.16 PCIEXBAR—PCI Express* Register Range Base Address ) |