Re: [PATCH v4] powerpc/fadump: fix race between pstore write and fadump crash trigger

2020-06-11 Thread kernel test robot
Hi Sourabh, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on linus/master linux/master v5.7 next-20200611] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest

[PATCH v4] powerpc/fadump: fix race between pstore write and fadump crash trigger

2020-06-04 Thread Sourabh Jain
When we enter into fadump crash path via system reset we fail to update the pstore. On the system reset path we first update the pstore then we go for fadump crash. But the problem here is when all the CPUs try to get the pstore lock to initiate the pstore write, only one CPUs will acquire the