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xtensa: save current register frame in fast_syscall_spill_registers_fixup
authorMax Filippov <jcmvbkbc@gmail.com>
Wed, 30 Oct 2013 12:18:25 +0000 (16:18 +0400)
committerMax Filippov <jcmvbkbc@gmail.com>
Sat, 25 Jan 2014 19:24:38 +0000 (23:24 +0400)
commit3251f1e27a5a17f0efd436cfd1e7b9896cfab0a0
treebbc623531e4ef45620b84d37ca5325605b12c2f4tree | snapshot
parente2fd1374c705abe4661df3fb6fadb3879c7c1846commit | diff
xtensa: save current register frame in fast_syscall_spill_registers_fixup

We need it saved because it contains a3 where we track which register
windows we still need to spill, and fixup handler may call C exception
handlers. Also fix comments.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/kernel/entry.S diff | blob | history
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