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swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
Revision 0ee6c15e7ba7b36a217cdadb292eeaf32a057a59 authored by Kumar Gala on 29 August 2007, 02:15:53 UTC, committed by Kumar Gala on 29 August 2007, 02:15:53 UTC 
[POWERPC] Flush registers to proper task context
 
When we flush register state for FP, Altivec, or SPE in flush_*_to_thread
we need to respect the task_struct that the caller has passed to us.

Most cases we are called with current, however sometimes (ptrace) we may
be passed a different task_struct.

This showed up when using gdbserver debugging a simple program that used
floating point. When gdb tried to show the FP regs they all showed up as
0, because the child's FP registers were never properly flushed to memory.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
1 parent b07d68b
History
Tip revision: ffb4d94b4314655cea60ab7962756e6bab72fc7e authored by Linus Torvalds on 30 September 2022, 23:25:52 UTC
Merge tag 'drm-fixes-2022-10-01' of git://anongit.freedesktop.org/drm/drm
Tip revision: ffb4d94
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