diff options
| author | Ard Biesheuvel <[email protected]> | 2021-10-29 16:45:32 +0000 |
|---|---|---|
| committer | Russell King (Oracle) <[email protected]> | 2021-10-30 10:24:36 +0000 |
| commit | fa191b711c32ba107cf8d3474cd860407b7e997a (patch) | |
| tree | 9c3e7f819f8f78e7acaf00cc34c77d147b754a76 /scripts/gcc-plugins/randomize_layout_plugin.c | |
| parent | Merge tag 'pr-arm32-ti-in-task' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| download | kernel-fa191b711c32ba107cf8d3474cd860407b7e997a.tar.gz kernel-fa191b711c32ba107cf8d3474cd860407b7e997a.zip | |
ARM: 9150/1: Fix PID_IN_CONTEXTIDR regression when THREAD_INFO_IN_TASK=y
The code that implements the rarely used PID_IN_CONTEXTIDR feature
dereferences the 'task' field of struct thread_info directly, and this
is no longer possible when THREAD_INFO_IN_TASK=y, as the 'task' field is
omitted from the struct definition in that case. Instead, we should just
cast the thread_info pointer to a task_struct pointer, given that the
former is now the first member of the latter.
So use a helper that abstracts this, and provide implementations for
both cases.
Reported by: Arnd Bergmann <[email protected]>
Fixes: 18ed1c01a7dd ("ARM: smp: Enable THREAD_INFO_IN_TASK")
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Russell King (Oracle) <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/randomize_layout_plugin.c')
0 files changed, 0 insertions, 0 deletions