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radv: place pointer length into cache uuid

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Thanks to reproducible builds, binary file timestamps may be identical
for both 32bit and 64bit packages when built from the same source.
This means radv will use the same cache for both 32 and 64 bit
processes, which leads to crashes.

Conveniently there is a spare byte in cache_uuid, let's place the
pointer size there.

Fixes: f4e499ec79 "radv: add initial non-conformant radv vulkan driver"
CC: 18.1 18.2 <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107601
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105904
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 356f6673d6)
This commit is contained in:
Grazvydas Ignotas 2018-08-21 00:08:54 +03:00 • committed by Andres Gomez
parent 461745ae38
commit da1ac07d65
1 changed files with 1 additions and 1 deletions
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2
src/amd/vulkan/radv_device.c
View file

@ -60,7 +60,7 @@ radv_device_get_cache_uuid(enum radeon_family family, void *uuid)
memcpy(uuid, &mesa_timestamp, 4);
memcpy((char*)uuid + 4, &llvm_timestamp, 4);
memcpy((char*)uuid + 8, &f, 2);
snprintf((char*)uuid + 10, VK_UUID_SIZE - 10, "radv");
snprintf((char*)uuid + 10, VK_UUID_SIZE - 10, "radv%zd", sizeof(void *));
return 0;
}