drivers/gpu/drm/amd/amdkfd: use in_compat_syscall to check open() caller type
amdkfd wants to know syscall type, not task type. Check directly.
Unfortunately, amdkfd is making nasty assumptions that a process'
bitness is a well-defined constant thing. This isn't the case on x86.
I don't know how much this matters, but this patch has no effect on
generated code on x86, so amdkfd is equally broken with and without this
patch.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Oded Gabbay <oded.gabbay@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index d2b49c0..07ac724 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -107,7 +107,7 @@
if (iminor(inode) != 0)
return -ENODEV;
- is_32bit_user_mode = is_compat_task();
+ is_32bit_user_mode = in_compat_syscall();
if (is_32bit_user_mode == true) {
dev_warn(kfd_device,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index a902ae0..ac00579 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -311,7 +311,7 @@
goto err_process_pqm_init;
/* init process apertures*/
- process->is_32bit_user_mode = is_compat_task();
+ process->is_32bit_user_mode = in_compat_syscall();
if (kfd_init_apertures(process) != 0)
goto err_init_apretures;