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Marchesi" , Beau Belgrave , Linus Torvalds , Andrew Morton , Florian Weimer , Kees Cook , "Carlos O'Donell" , Sam James , 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 v11 11/15] unwind_user/sframe/x86: Enable sframe unwinding on x86 Date: Wed, 22 Oct 2025 16:43:22 +0200 Message-ID: <20251022144326.4082059-12-jremus@linux.ibm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251022144326.4082059-1-jremus@linux.ibm.com> References: <20251022144326.4082059-1-jremus@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: F3xXjnxgxgrTIeryDNB1mEAo65nwNngK X-Proofpoint-GUID: V7WfVzoyAZthuD4IL6uu6XdeiRVMqWoo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE4MDAyMiBTYWx0ZWRfX2ao1s04eHvce R/pz6UGIhwX9zLB6ZPsT4sdvKTJXRJqM2KbTucvGBGOXOpxJA9HquABHh056RIu7X4UGVst6GZH 8Dl+FjHGaRvptTEAcOtjrbu7rkH//zHUXR6Itm43P8pNOBFZmfA9rHvMnMBstxJPyCxTSWia6Xm e8ilo1iY+6abU2GlH+umdc/NLkZKyhUC3W2lIV25ggo8JfJdo/3+Q7iu7CpULVz+z4AvwCo1vTp pG7icm8pdXgG7jUOXU5Mgih7Wq+v8q9PqgMdaZEvzLrYDaekPK4oO/baSjZjxeW3YzhY1WJ51cw GDt/szvk0SnvoVkXexTEaj1l6kbVuVFkp/sYC960rUE5M+2hMoDjpAD7TLiPbTC83FnRDCnr2Ex QcG6Sit3KKf2Li/9CHz9wYLiaMPsLQ== X-Authority-Analysis: v=2.4 cv=IJYPywvG c=1 sm=1 tr=0 ts=68f8ed9b cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=7d_E57ReAAAA:8 a=JfrnYn6hAAAA:8 a=yPCof4ZbAAAA:8 a=mDV3o1hIAAAA:8 a=yMhMjlubAAAA:8 a=VnNF1IyMAAAA:8 a=Z4Rwk6OoAAAA:8 a=20KFwNOVAAAA:8 a=7mOBRU54AAAA:8 a=meVymXHHAAAA:8 a=uzhm0PpBqzKSIg-ONIAA:9 a=jhqOcbufqs7Y1TYCrUUU:22 a=1CNFftbPRP8L7MoqJWF3:22 a=HkZW87K1Qel5hWWM3VKY:22 a=wa9RWnbW_A1YIeRBVszw:22 a=2JgSa4NbpEOStq-L5dxp:22 a=DXsff8QfwkrTrK3sU8N1:22 a=Z5ABNNGmrOfJ6cZ5bIyy:22 a=bWyr8ysk75zN3GCy5bjg:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-22_05,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510180022 From: Josh Poimboeuf The x86 sframe 2.0 implementation works fairly well, starting with binutils 2.41 (though some bugs are getting fixed in later versions). Enable it. Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Thomas Gleixner Cc: Andrii Nakryiko Cc: Indu Bhagat Cc: "Jose E. Marchesi" Cc: Beau Belgrave Cc: Jens Remus Cc: Linus Torvalds Cc: Andrew Morton Cc: Florian Weimer Cc: Sam James Cc: Kees Cook Cc: "Carlos O'Donell" Signed-off-by: Josh Poimboeuf Signed-off-by: Steven Rostedt (Google) Signed-off-by: Jens Remus --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8f94c58d4de8..c3518f145f0d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -300,6 +300,7 @@ config X86 select HAVE_UACCESS_VALIDATION if HAVE_OBJTOOL select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_UNWIND_USER_FP if X86_64 + select HAVE_UNWIND_USER_SFRAME if X86_64 select HAVE_USER_RETURN_NOTIFIER select HAVE_GENERIC_VDSO select VDSO_GETRANDOM if X86_64 -- 2.48.1