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Groups > linux.kernel > #1676325
| From | Nick Desaulniers <nick.desaulniers@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2] KVM: x86: remove ignored type attribute |
| Date | 2017-06-28 04:40 +0200 |
| Message-ID | <tXb3A-V7-7@gated-at.bofh.it> (permalink) |
| References | <tVoHD-5Z8-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The macro insn_fetch marks the 'type' argument as having a specified alignment. Type attributes can only be applied to structs, unions, or enums, but insn_fetch is only ever invoked with integral types, so Clang produces 19 -Wignored-attributes warnings for this source file. Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com> --- Changes in v2: * prefer memcpy * fix up trailing tabs arch/x86/kvm/emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 7611c034bf95..f9c0359f3fdd 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -900,7 +900,7 @@ static __always_inline int do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, if (rc != X86EMUL_CONTINUE) \ goto done; \ ctxt->_eip += sizeof(_type); \ - _x = *(_type __aligned(1) *) ctxt->fetch.ptr; \ + memcpy(&_x, ctxt->fetch.ptr, sizeof(_type)); \ ctxt->fetch.ptr += sizeof(_type); \ _x; \ }) -- 2.11.0
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[PATCH] KVM: x86: remove ignored type attribute Nick Desaulniers <nick.desaulniers@gmail.com> - 2017-06-23 06:50 +0200
Re: [PATCH] KVM: x86: remove ignored type attribute Paolo Bonzini <pbonzini@redhat.com> - 2017-06-27 16:40 +0200
[PATCH v2] KVM: x86: remove ignored type attribute Nick Desaulniers <nick.desaulniers@gmail.com> - 2017-06-28 04:40 +0200
Re: [PATCH v2] KVM: x86: remove ignored type attribute Nick Desaulniers <nick.desaulniers@gmail.com> - 2017-06-28 04:50 +0200
Re: [PATCH v2] KVM: x86: remove ignored type attribute Paolo Bonzini <pbonzini@redhat.com> - 2017-06-30 12:50 +0200
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