Stephen Rothwell wrote:
Hi all, Today's linux-next bboot of the powerpc pseries_le_defconfig build produced these different kernel messages (diff from yesterday's tree): - ftrace: allocating 33658 entries in 13 pages - ftrace: allocated 13 pages with 3 groups + ftrace-powerpc: Address of ftrace_regs_caller out of range of kernel_toc.
Thanks for the report. I think that is due to: https://patchwork.ozlabs.org/project/linuxppc-dev/patch/bb6626e884acffe87b58736291df57db3deaa9b9.1652074503.git.christophe.leroy@xxxxxxxxxx/ The below diff fixes it for me: diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index 46c002a8388804..7418da705d43ac 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -746,7 +746,7 @@ int __init ftrace_dyn_arch_init(void) reladdr = addr - kernel_toc_addr(); - if (reladdr >= SZ_2G || reladdr < -SZ_2G) { + if (reladdr >= SZ_2G || reladdr < -_UL(SZ_2G)) { pr_err("Address of %ps out of range of kernel_toc.\n", (void *)addr); return -1; - Naveen