From: Max Filippov Date: Sun, 27 Jul 2014 03:23:41 +0000 (+0400) Subject: xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS X-Git-Tag: omap-fixes-against-v3.17-rc3~14^2^2~16 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52247123749cc3cbc30168b33ad8c69515c96d23;p=pandora-kernel.git xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS With SMP and a lot of debug options enabled task_struct::thread gets out of reach of s32i/l32i instructions with base pointing at task_struct, breaking build with the following messages: arch/xtensa/kernel/entry.S: Assembler messages: arch/xtensa/kernel/entry.S:1002: Error: operand 3 of 'l32i.n' has invalid value '1048' arch/xtensa/kernel/entry.S:1831: Error: operand 3 of 's32i.n' has invalid value '1040' arch/xtensa/kernel/entry.S:1832: Error: operand 3 of 's32i.n' has invalid value '1044' Change base to point to task_struct::thread in such cases. Don't use a10 in _switch_to to save/restore prev pointer as a2 is not clobbered. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov --- Reading git-diff-tree failed