Hi Al,
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git arch-blackfin
head: 9b34bed403644c57e9beefc36a0b353255c696f1
commit: 1ac0bc7b1705368131dc176f4a094994ea45e478 [1/2] blackfin: convert kernel_thread() and kernel_execve() to generic ones
config: blackfin-BF533-EZKIT_defconfig # make ARCH=blackfin BF533-EZKIT_defconfig
All error/warnings:
arch/blackfin/kernel/process.c: In function 'copy_thread':
arch/blackfin/kernel/process.c:170:7: error: request for member 'pc' in something not a structure or union
arch/blackfin/kernel/process.c:170:28: error: 'kernel_thread_helper' undeclared (first use in this function)
arch/blackfin/kernel/process.c:170:28: note: each undeclared identifier is reported only once for each function it appears in
vim +170 arch/blackfin/kernel/process.c
1394f032 Bryan Wu 2007-05-06 164 childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;
1ac0bc7b Al Viro 2012-10-13 165 v = ((unsigned long *)childregs) - 2;
1ac0bc7b Al Viro 2012-10-13 166 if (unlikely(!regs)) {
1ac0bc7b Al Viro 2012-10-13 167 memset(childregs, 0, sizeof(struct pt_regs));
1ac0bc7b Al Viro 2012-10-13 168 v[0] = usp;
1ac0bc7b Al Viro 2012-10-13 169 v[1] = topstk;
1ac0bc7b Al Viro 2012-10-13 @170 regs.pc = (unsigned long)kernel_thread_helper;
1ac0bc7b Al Viro 2012-10-13 171 childregs->orig_p0 = -1;
1ac0bc7b Al Viro 2012-10-13 172 childregs->ipend = 0x8000;
1ac0bc7b Al Viro 2012-10-13 173 __asm__ __volatile__("%0 = syscfg;":"=da"(childregs->syscfg):);
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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