diff options
Diffstat (limited to 'gitlab/issues_text/target_i386/host_missing/accel_TCG/870')
| -rw-r--r-- | gitlab/issues_text/target_i386/host_missing/accel_TCG/870 | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/gitlab/issues_text/target_i386/host_missing/accel_TCG/870 b/gitlab/issues_text/target_i386/host_missing/accel_TCG/870 deleted file mode 100644 index d6224f82d..000000000 --- a/gitlab/issues_text/target_i386/host_missing/accel_TCG/870 +++ /dev/null @@ -1,12 +0,0 @@ -Throws a #GP when it should throw a #SS -Description of problem: -When stacks are switched as part of a 64-bit mode privilege-level change (resulting from an interrupt), IA-32e mode loads only an inner-level RSP from the TSS. If the value of rsp from tss is a non-canonical form. It will trigger #SS. But when I test it in qemu it throws #GP instead of #SS -Steps to reproduce: -In order to confirm that it is the #SS triggered by the non-canonical address, We can verify on a real machine. -1. Set the value of the current core's `TSS.IST7` to the the non-canonical address. -2. Set the `ist` field of the interrupt 4 (Overflow Exception) descriptor to 7. -3. Execute the `INT 4` instruction in Ring 3 and it will be taken over by the #SS handler. - -Repeat the above steps in qemu this exception will be taken over by #GP -Additional information: - |