Thread (8 messages) 8 messages, 4 authors, 2021-06-21

Re: linux-next: Tree for Apr 16 (objtool: warnings)

From: Randy Dunlap <hidden>
Date: 2021-04-16 17:50:57
Also in: lkml

On 4/16/21 4:36 AM, Stephen Rothwell wrote:
Hi all,

Changes since 20210415:

on x86_64, objtool is not liking retpoline.o:

$ gcc --version
gcc (SUSE Linux) 7.5.0


Is there already a patch for these?


===== build-r8840.out =====
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rax()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rcx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rsi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbp()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r8()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r9()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r10()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r11()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r12()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r13()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r14()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r15()+0x0: call without frame pointer save/setup
===== Enter/Return to continue; 'r' to remove =====
===== build-r8841.out =====
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rax()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rcx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rsi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbp()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r8()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r9()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r10()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r11()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r12()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r13()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r14()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r15()+0x0: call without frame pointer save/setup
===== Enter/Return to continue; 'r' to remove =====
===== build-r8844.out =====
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rax()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rcx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rsi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbp()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r8()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r9()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r10()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r11()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r12()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r13()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r14()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r15()+0x0: call without frame pointer save/setup
===== Enter/Return to continue; 'r' to remove =====
===== build-r8846.out =====
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rax()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rcx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdx()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rsi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rdi()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_rbp()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r8()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r9()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r10()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r11()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r12()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r13()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r14()+0x0: call without frame pointer save/setup
arch/x86/lib/retpoline.o: warning: objtool: __x86_indirect_alt_call_r15()+0x0: call without frame pointer save/setup
===== Enter/Return to continue; 'r' to remove =====



thanks.
-- 
~Randy
Reported-by: Randy Dunlap <redacted>
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