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authorAndrii Simiklit <andrii.simiklit@globallogic.com>2020-01-15 12:34:38 +0200
committerDylan Baker <dylan@pnwbakers.com>2020-03-04 08:27:39 -0800
commit1defcf02b49975a92e20997e5c5bd41e7794677f (patch)
tree35a5d19c86531a6840a2b25cd49862da4764b704 /VERSION
parent3d203789a93ae69d4e438b28171686871cc07c7e (diff)
Revert "glx: convert glx_config_create_list to one big calloc"
This reverts commit 35fc7bdf0e6ad6547e39099e7060a3d89539b56d. Unfortunately mentioned commit introduced a memory leak because `driwindowsMapConfigs` and `createDriMode` functions allocate small memory portions for each element: 21,576 (232 direct, 21,344 indirect) bytes in 1 blocks are definitely lost in loss record 1,411 of 1,414 at 0x483A7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) by 0x5D4AA09: createDriMode (dri_common.c:291) by 0x5D4ABF5: driConvertConfigs (dri_common.c:310) by 0x5D58414: dri3_create_screen (dri3_glx.c:945) by 0x5D39829: AllocAndFetchScreenConfigs (glxext.c:815) by 0x5D39C57: __glXInitialize (glxext.c:941) by 0x5D3290A: GetGLXPrivScreenConfig (glxcmds.c:174) by 0x5D34F38: glXQueryExtensionsString (glxcmds.c:1307) by 0x4F83038: glXQueryExtensionsString (in /usr/local/lib/libGL.so.1.7.0) by 0x4F2EA6B: ??? (in /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.6.0) by 0x4F2A0D7: waffle_display_connect (in /usr/lib/x86_64-linux-gnu/libwaffle-1.so.0.6.0) by 0x498F42A: wfl_checked_display_connect (piglit-util-waffle.h:74) There is one more thing which disallow us to easily fix it are different element sizes for instance: `glx_config_create_list` allocates memory just for `glx_config`, `driwindowsMapConfigs` for `driwindows_config` and `createDriMode` for `__GLXDRIconfigPrivate`. Yes it is possible but size of such fix will be more big and complex than original one. So it make sense only if the malloc overhead really is a big problem there. Acked-by: Eric Engestrom <eric@engestrom.ch> Signed-off-by: Andrii Simiklit <andrii.simiklit@globallogic.com> Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3406> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3406> (cherry picked from commit 311c82e1923f63070b198881d90c1098f4ff7a08)
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