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Marchesi" , Beau Belgrave , Linus Torvalds , Andrew Morton , Florian Weimer , Kees Cook , "Carlos O'Donell" , Sam James , Dylan Hatch , Borislav Petkov , Dave Hansen , David Hildenbrand , "H. Peter Anvin" , "Liam R. Howlett" , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , Heiko Carstens , Vasily Gorbik , "Steven Rostedt (Google)" Subject: [PATCH v6 5/6] x86/vdso: Use CFI macros in __vdso_sgx_enter_enclave() Date: Thu, 29 Jan 2026 12:27:25 +0100 Message-ID: <20260129112726.892340-6-jremus@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260129112726.892340-1-jremus@linux.ibm.com> References: <20260129112726.892340-1-jremus@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 2pZ6jq3_3TZLUYKEZ4Fg5cfZockyqzVm X-Proofpoint-ORIG-GUID: 87Rop7QX0FZmS8jZbJv7CbnIFfFhKkn4 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI5MDA3NiBTYWx0ZWRfXyRMuWXXkMvZa Z9Ig7jvW2bkL8h7WgLqnoESsHfZ7Y29gRJv+rIdz3xNtlIgN2JTi5OzRBWnJEIzhU45OkxRXzq9 wq/tM+A9oReDEH6K+lCp7ecku/PdUcOpG4QRMm+dZkXgfOn79ooPLnLNJ1f7P1MIguXCF/bKE8R 9ww6+1x7k6JZ2Oq8WLsb1wO92gt9mIUCLMqLChCDA1zHB7DGXGwVOLs8DSzlVBafxADGMibcl+i HuHn3dNJSCfeAfpvkN36X0+eLad059EU4QN2/FncQl28aKlZNme0fHbySyjLjpFyq47k4iFGagY XT1WNT+vNXlxKDU63e7LaqXvzvzRE5ozN49eRAfVYv/5lWbx4RBb/dEDLSUla4jjJwBHbfWmMrT i5Awycn2QNgo3RgDAWSz1131Qlc+F8m/E7yKdq4Y85NoaYRzJYlKDSF0Of6/FRZSzHGUpyvpyTu kYdAoAii7vOiV6eo9pQ== X-Authority-Analysis: v=2.4 cv=AMiVTGgp c=1 sm=1 tr=0 ts=697b4429 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=meVymXHHAAAA:8 a=VnNF1IyMAAAA:8 a=UlpOIAycHnb1QmJiUioA:9 a=2JgSa4NbpEOStq-L5dxp:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-01-29_02,2026-01-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=0 adultscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2601150000 definitions=main-2601290076 Content-Type: text/plain; charset="utf-8" From: Josh Poimboeuf Use the CFI macros instead of the raw .cfi_* directives to be consistent with the rest of the VDSO asm. It's also easier on the eyes. No functional changes. Signed-off-by: Josh Poimboeuf Signed-off-by: Steven Rostedt (Google) Signed-off-by: Jens Remus --- arch/x86/entry/vdso/vsgx.S | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/arch/x86/entry/vdso/vsgx.S b/arch/x86/entry/vdso/vsgx.S index c0342238c976..8d7b8eb45c50 100644 --- a/arch/x86/entry/vdso/vsgx.S +++ b/arch/x86/entry/vdso/vsgx.S @@ -24,13 +24,14 @@ .section .text, "ax" =20 SYM_FUNC_START(__vdso_sgx_enter_enclave) + SYM_F_ALIGN push %rbp - .cfi_adjust_cfa_offset 8 - .cfi_rel_offset %rbp, 0 + CFI_ADJUST_CFA_OFFSET 8 + CFI_REL_OFFSET %rbp, 0 mov %rsp, %rbp - .cfi_def_cfa_register %rbp + CFI_DEF_CFA_REGISTER %rbp push %rbx - .cfi_rel_offset %rbx, -8 + CFI_REL_OFFSET %rbx, -8 =20 mov %ecx, %eax .Lenter_enclave: @@ -77,13 +78,11 @@ SYM_FUNC_START(__vdso_sgx_enter_enclave) .Lout: pop %rbx leave - .cfi_def_cfa %rsp, 8 + CFI_DEF_CFA %rsp, 8 RET =20 - /* The out-of-line code runs with the pre-leave stack frame. */ - .cfi_def_cfa %rbp, 16 - .Linvalid_input: + CFI_DEF_CFA %rbp, 16 mov $(-EINVAL), %eax jmp .Lout =20 --=20 2.51.0