diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/2004')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/2004 | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/2004 b/gitlab/issues_text/target_missing/host_missing/accel_missing/2004 deleted file mode 100644 index 1b4b0cf69..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/2004 +++ /dev/null @@ -1,33 +0,0 @@ -do_guest_openat /proc interposition doesn't work for openat -Description of problem: -For instance, trying with hppa emulated on top of x86: - -``` -$ hppa-linux-gnu-gcc test.c -o test -$ qemu-hppa-static ./test -``` - -One gets the host cpu information: - -``` -processor : 0 -vendor_id : GenuineIntel -cpu family : 6 -model : 142 -model name : Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz -[...] -``` - -while we would want to see the guest cpu information, like the test program does when `#if 0` is turned into `#if 1`: - -``` -processor : 0 -cpu family : PA-RISC 1.1e -cpu : PA7300LC (PCX-L2) -capabilities : os32 -model : 9000/778/B160L - Merlin L2 160 QEMU (9000/778/B160L) -``` - -This is because `do_guest_openat` only checks for the path, and does not look at `dirfd`, so it doesn't recognize that `openat(dirfd, "cpuinfo", O_RDONLY)` is actually opening a file in `/proc`. - -We could probably, when `dirfd` is not `AT_FDCWD`, try to `fstat()` it, open `/proc` with `O_DIRECTORY` and `fstat()` that too, and compare their `st_dev` and `st_ino`? |