tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core head: a69a38e26e87ddbe993e33b55f693405cd62c76f commit: 9633bad92da4f12d249b2d76618302a2af367f4a [118/122] sched/headers: Remove various unrelated headers from <linux/sched.h> config: sh-allyesconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9633bad92da4f12d249b2d76618302a2af367f4a # save the attached .config to linux build tree make.cross ARCH=sh
All error/warnings (new ones prefixed by >>):
arch/sh/kernel/process.c: In function 'arch_dup_task_struct':
>> arch/sh/kernel/process.c:24:18: error: implicit declaration of function
>> 'task_pt_regs' [-Werror=implicit-function-declaration]
unlazy_fpu(src, task_pt_regs(src));
^~~~~~~~~~~~
>> arch/sh/kernel/process.c:24:18: error: passing argument 2 of 'unlazy_fpu'
>> makes pointer from integer without a cast [-Werror=int-conversion]
In file included from arch/sh/kernel/process.c:7:0:
arch/sh/include/asm/fpu.h:52:20: note: expected 'struct pt_regs *' but
argument is of type 'int'
static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
^~~~~~~~~~
cc1: all warnings being treated as errors
--
arch/sh/kernel/cpu/fpu.c: In function 'init_fpu':
>> arch/sh/kernel/cpu/fpu.c:11:20: error: implicit declaration of function
>> 'task_pt_regs' [-Werror=implicit-function-declaration]
unlazy_fpu(tsk, task_pt_regs(tsk));
^~~~~~~~~~~~
>> arch/sh/kernel/cpu/fpu.c:11:20: warning: passing argument 2 of 'unlazy_fpu'
>> makes pointer from integer without a cast [-Wint-conversion]
In file included from arch/sh/kernel/cpu/fpu.c:4:0:
arch/sh/include/asm/fpu.h:52:20: note: expected 'struct pt_regs *' but
argument is of type 'int'
static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
^~~~~~~~~~
cc1: some warnings being treated as errors
vim +/task_pt_regs +24 arch/sh/kernel/process.c
cbf6b1ba Paul Mundt 2010-01-12 8
0ea820cf Paul Mundt 2010-01-13 9 struct kmem_cache
*task_xstate_cachep = NULL;
0ea820cf Paul Mundt 2010-01-13 10 unsigned int xstate_size;
0ea820cf Paul Mundt 2010-01-13 11
5d920bb9 Filippo Arcidiacono 2012-04-19 12 #ifdef CONFIG_CC_STACKPROTECTOR
5d920bb9 Filippo Arcidiacono 2012-04-19 13 unsigned long __stack_chk_guard
__read_mostly;
5d920bb9 Filippo Arcidiacono 2012-04-19 14 EXPORT_SYMBOL(__stack_chk_guard);
5d920bb9 Filippo Arcidiacono 2012-04-19 15 #endif
5d920bb9 Filippo Arcidiacono 2012-04-19 16
55ccf3fe Suresh Siddha 2012-05-16 17 /*
55ccf3fe Suresh Siddha 2012-05-16 18 * this gets called so that we can
store lazy state into memory and copy the
55ccf3fe Suresh Siddha 2012-05-16 19 * current task into the new
thread.
55ccf3fe Suresh Siddha 2012-05-16 20 */
0ea820cf Paul Mundt 2010-01-13 21 int arch_dup_task_struct(struct
task_struct *dst, struct task_struct *src)
0ea820cf Paul Mundt 2010-01-13 22 {
55ccf3fe Suresh Siddha 2012-05-16 23 #ifdef CONFIG_SUPERH32
55ccf3fe Suresh Siddha 2012-05-16 @24 unlazy_fpu(src,
task_pt_regs(src));
55ccf3fe Suresh Siddha 2012-05-16 25 #endif
0ea820cf Paul Mundt 2010-01-13 26 *dst = *src;
0ea820cf Paul Mundt 2010-01-13 27
0ea820cf Paul Mundt 2010-01-13 28 if (src->thread.xstate) {
0ea820cf Paul Mundt 2010-01-13 29 dst->thread.xstate =
kmem_cache_alloc(task_xstate_cachep,
0ea820cf Paul Mundt 2010-01-13 30
GFP_KERNEL);
0ea820cf Paul Mundt 2010-01-13 31 if (!dst->thread.xstate)
0ea820cf Paul Mundt 2010-01-13 32 return -ENOMEM;
:::::: The code at line 24 was first introduced by commit
:::::: 55ccf3fe3f9a3441731aa79cf42a628fc4ecace9 fork: move the real
prepare_to_copy() users to arch_dup_task_struct()
:::::: TO: Suresh Siddha <[email protected]>
:::::: CC: H. Peter Anvin <[email protected]>
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