| Message ID | 20170515120215.28273-1-digetx@gmail.com |
|---|---|
| State | Superseded |
| Headers | show |
On Mon, May 15, 2017 at 2:02 PM, Dmitry Osipenko <digetx@gmail.com> wrote: > The RESTART opcode terminates the gather and restarts the CDMA fetch from > a specified word << 2 relative to the CDMA start address. That shouldn't > be allowed to be done by userspace. > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Outch, yeah. Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com> -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c index 8f0d43b8f9a6..d648748b3e74 100644 --- a/drivers/gpu/host1x/job.c +++ b/drivers/gpu/host1x/job.c @@ -493,7 +493,6 @@ static int validate(struct host1x_firewall *fw, struct host1x_job_gather *g) goto out; break; case 4: - case 5: case 14: break; default:
The RESTART opcode terminates the gather and restarts the CDMA fetch from a specified word << 2 relative to the CDMA start address. That shouldn't be allowed to be done by userspace. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/gpu/host1x/job.c | 1 - 1 file changed, 1 deletion(-)