This is a note to let you know that I've just added the patch titled
drm/amdkfd: Don't report local memory size
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdkfd-don-t-report-local-memory-size.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 42e08c78360e58516b6ac8af18a75a494f2967a2 Mon Sep 17 00:00:00 2001
From: Oded Gabbay <oded.gabbay@xxxxxxxxx>
Date: Tue, 5 May 2015 11:15:07 +0300
Subject: drm/amdkfd: Don't report local memory size
From: Oded Gabbay <oded.gabbay@xxxxxxxxx>
commit 42e08c78360e58516b6ac8af18a75a494f2967a2 upstream.
This patch sets the local memory size that is reported to userspace to 0.
This is done to make sure that userspace won't try to allocate local memory
for HSA.
As long as amdkfd doesn't support allocating local memory for HSA,
we need this patch.
Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -729,7 +729,7 @@ static ssize_t node_show(struct kobject
kfd2kgd->get_max_engine_clock_in_mhz(
dev->gpu->kgd));
sysfs_show_64bit_prop(buffer, "local_mem_size",
- kfd2kgd->get_vmem_size(dev->gpu->kgd));
+ (unsigned long long int) 0);
sysfs_show_32bit_prop(buffer, "fw_version",
kfd2kgd->get_fw_version(
Patches currently in stable-queue which might be from oded.gabbay@xxxxxxxxx are
queue-4.0/drm-amdkfd-don-t-report-local-memory-size.patch
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