From ccf6607e45aaf5e0ceabfe018aeb01818a936697 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Mon, 9 May 2022 07:36:12 +0200 Subject: powerpc/ftrace: Remove ftrace_plt_tramps[] ftrace_plt_tramps table is never filled so it is useless. Remove it. Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/daeeb618a6619e3a7e3f82f1bd83ca7c25af6330.1652074503.git.christophe.leroy@csgroup.eu --- arch/powerpc/kernel/trace/ftrace.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'arch/powerpc/kernel') diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index f89bcaa5f0fc..010a8c7ff4ac 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -250,7 +250,6 @@ static int setup_mcount_compiler_tramp(unsigned long tramp) int i; ppc_inst_t op; unsigned long ptr; - static unsigned long ftrace_plt_tramps[NUM_FTRACE_TRAMPS]; /* Is this a known long jump tramp? */ for (i = 0; i < NUM_FTRACE_TRAMPS; i++) @@ -259,13 +258,6 @@ static int setup_mcount_compiler_tramp(unsigned long tramp) else if (ftrace_tramps[i] == tramp) return 0; - /* Is this a known plt tramp? */ - for (i = 0; i < NUM_FTRACE_TRAMPS; i++) - if (!ftrace_plt_tramps[i]) - break; - else if (ftrace_plt_tramps[i] == tramp) - return -1; - /* New trampoline -- read where this goes */ if (copy_inst_from_kernel_nofault(&op, (void *)tramp)) { pr_debug("Fetching opcode failed.\n"); -- cgit v1.2.3-70-g09d2