The following commit has been merged into the objtool/core branch of tip: Commit-ID: f2d89c50301987db9e9252919fb6ce2ecdb667c7 Gitweb: https://git.kernel.org/tip/f2d89c50301987db9e9252919fb6ce2ecdb667c7 Author: Ingo Molnar <mingo@xxxxxxxxxx> AuthorDate: Fri, 09 Jun 2023 11:04:53 +02:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Fri, 09 Jun 2023 11:04:53 +02:00 x86/orc: Make the is_callthunk() definition depend on CONFIG_BPF_JIT=y Recent commit: 020126239b8f Revert "x86/orc: Make it callthunk aware" Made the only user of is_callthunk() depend on CONFIG_BPF_JIT=y, while the definition of the helper function is unconditional. Addresses this build failure: arch/x86/kernel/callthunks.c:296:13: error: ‘is_callthunk’ defined but not used [-Werror=unused-function] Move is_callthunk() inside the #ifdef block. Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> --- arch/x86/kernel/callthunks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/callthunks.c b/arch/x86/kernel/callthunks.c index 8e0a9b6..fcb8eea 100644 --- a/arch/x86/kernel/callthunks.c +++ b/arch/x86/kernel/callthunks.c @@ -293,6 +293,7 @@ void *callthunks_translate_call_dest(void *dest) return target ? : dest; } +#ifdef CONFIG_BPF_JIT static bool is_callthunk(void *addr) { unsigned int tmpl_size = SKL_TMPL_SIZE; @@ -306,7 +307,6 @@ static bool is_callthunk(void *addr) return !bcmp((void *)(dest - tmpl_size), tmpl, tmpl_size); } -#ifdef CONFIG_BPF_JIT int x86_call_depth_emit_accounting(u8 **pprog, void *func) { unsigned int tmpl_size = SKL_TMPL_SIZE;