Messages in this thread | | | Date | Sat, 8 Aug 2020 08:14:05 +0800 | From | kernel test robot <> | Subject | arch/powerpc/kexec/crash.c:200 crash_kexec_secondary() warn: inconsistent returns 'flags'. |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 30185b69a2d533c4ba6ca926b8390ce7de495e29 commit: 793b08e2efff3ec020c5c5861d00ed394fcdd488 powerpc/kexec: Move kexec files into a dedicated subdir. date: 9 months ago config: powerpc-randconfig-m031-20200808 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
smatch warnings: arch/powerpc/kexec/crash.c:200 crash_kexec_secondary() warn: inconsistent returns 'flags'.
vim +/flags +200 arch/powerpc/kexec/crash.c
c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 178 c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 179 /* 9b00ac06978c54 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 180 * This function will be called by secondary cpus. c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 181 */ c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 182 void crash_kexec_secondary(struct pt_regs *regs) c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 183 { c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 184 unsigned long flags; 549e88a134b3b3 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 185 int msecs = SECONDARY_TIMEOUT; c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 186 c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 187 local_irq_save(flags); 9b00ac06978c54 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 188 549e88a134b3b3 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 189 /* Wait for the primary crash CPU to signal its progress */ c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 190 while (crashing_cpu < 0) { c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 191 if (--msecs < 0) { 9b00ac06978c54 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 192 /* No response, kdump image may not have been loaded */ c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 193 local_irq_restore(flags); c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 194 return; c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 195 } 9b00ac06978c54 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 196 c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 197 mdelay(1); c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 198 } 9b00ac06978c54 arch/powerpc/kernel/crash.c Anton Blanchard 2011-11-30 199 c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 @200 crash_ipi_callback(regs); c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 201 } c0ce7d0886cf0c arch/powerpc/kernel/crash.c David Wilder 2006-06-23 202
:::::: The code at line 200 was first introduced by commit :::::: c0ce7d0886cf0c2579c604eac41a7e125bc0e96d [POWERPC] Add the use of the firmware soft-reset-nmi to kdump.
:::::: TO: David Wilder <dwilder@us.ibm.com> :::::: CC: Paul Mackerras <paulus@samba.org>
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