Hi Keith, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc7 next-20181218] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dan-Williams/mm-Randomize-free-memory/20181218-130230 config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm64 All errors (new ones prefixed by >>): drivers//irqchip/irq-gic-v3.c: In function 'gic_acpi_collect_virt_info': >> drivers//irqchip/irq-gic-v3.c:1542:11: error: passing argument 2 of 'acpi_table_parse_madt' from incompatible pointer type [-Werror=incompatible-pointer-types] gic_acpi_parse_virt_madt_gicc, 0); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers//irqchip/irq-gic-v3.c:20:0: include/linux/acpi.h:249:5: note: expected 'acpi_tbl_entry_handler {aka int (*)(union acpi_subtable_headers *, const long unsigned int)}' but argument is of type 'int (*)(struct acpi_subtable_header *, const long unsigned int)' int acpi_table_parse_madt(enum acpi_madt_type id, ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/acpi_table_parse_madt +1542 drivers//irqchip/irq-gic-v3.c 1839e576 Julien Grall 2016-04-11 1536 1839e576 Julien Grall 2016-04-11 1537 static bool __init gic_acpi_collect_virt_info(void) 1839e576 Julien Grall 2016-04-11 1538 { 1839e576 Julien Grall 2016-04-11 1539 int count; 1839e576 Julien Grall 2016-04-11 1540 1839e576 Julien Grall 2016-04-11 1541 count = acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_INTERRUPT, 1839e576 Julien Grall 2016-04-11 @1542 gic_acpi_parse_virt_madt_gicc, 0); 1839e576 Julien Grall 2016-04-11 1543 1839e576 Julien Grall 2016-04-11 1544 return (count > 0); 1839e576 Julien Grall 2016-04-11 1545 } 1839e576 Julien Grall 2016-04-11 1546 :::::: The code at line 1542 was first introduced by commit :::::: 1839e576968f34b9a31da9f0033f8de12a1c9de6 irqchip/gic-v3: Parse and export virtual GIC information :::::: TO: Julien Grall <julien.grall@xxxxxxx> :::::: CC: Christoffer Dall <christoffer.dall@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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