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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> 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 X-Stat-Signature: 5izih9iot7mjwd85s9gxj5ednm41umuk X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 65A5D40007 X-HE-Tag: 1761144251-832101 X-HE-Meta: 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 W9H7+Ddz 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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