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Peter Anvin" , Mathieu Desnoyers , Indu Bhagat , "Jose E. Marchesi" , Heiko Carstens , Vasily Gorbik , Ilya Leoshkevich Subject: [PATCH 0/3] unwind_user: Cleanups Date: Tue, 25 Nov 2025 17:43:46 +0100 Message-ID: <20251125164349.2592874-1-jremus@linux.ibm.com> X-Mailer: git-send-email 2.51.0 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-Spam-Details-Enc: AW1haW4tMjUxMTIyMDAyMSBTYWx0ZWRfX0ON63+wNYhpl 7mGjhnJVlsGB4gK3Pjb1AEWciS/tVhjT4hOS8IJ2SrtDK+S1uojEYHeO+IuLuisXqvIdfQfi/fk 5l1VX4DofnqU0Ya2kAzo2K/ROiItZMCnfRMov0I2wz26Xnp02cfyfs4q1ST69Os+lGVzJwKOOVT wsNGspqTs75PgEvGVE/6GduyKBBlWgAsxtw5Gr3IbTvkhwpPg90PVCw3lAOcZKRrBG5EJVUDa+I yq1gQVvIf4wbO4lfyYvGq3WoUea2JaguuttzeYywQjMmgzcTFktc6bnQ/U7Hny7UKVTFBTFBepx LPLDfAnEUHgxwTi0TnZjOuXBRrc00cxXXb5GgHzZqTLer+pD/eDtbBI/2airUwgGbaNT0vX6Eg2 XMYaAFA9+l2AtRHKsuw7rpPwJud5sw== X-Authority-Analysis: v=2.4 cv=PLoCOPqC c=1 sm=1 tr=0 ts=6925dcd0 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=4i9mbmJSOeA3QhmOqjAA:9 X-Proofpoint-ORIG-GUID: psTRydtv0L7Bdr-KFulbyAoBXMinKRvO X-Proofpoint-GUID: psTRydtv0L7Bdr-KFulbyAoBXMinKRvO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-25_02,2025-11-25_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 malwarescore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511220021 This patch series applies on top of Peter Zijlstras' latest unwind user enhancements (and perf deferred callchain support) on his tip perf/core branch: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core Which has already been merged to tip/master and linux-next/master. Patch 1 enhances a few comments in unwind_user_next_common(). Patch 2 gets rid of an ifdef in unwind_user_next_fp() by moving it to linux/unwind_user.h. Patch 3 ensures the x86 unwind_user_word_size() implementation is available whenever config option UNWIND_USER is enabled, as it is required by unwind user in general and is not specific to its FP unwind method. Regards, Jens Jens Remus (3): unwind_user: Enhance comments on get CFA, FP, and RA unwind_user/fp: Use dummies instead of ifdef x86/unwind_user: Guard unwind_user_word_size() by UNWIND_USER arch/x86/include/asm/unwind_user.h | 28 ++++++++++++++++------------ include/linux/unwind_user.h | 14 +++++++++++--- kernel/unwind/user.c | 12 ++++-------- 3 files changed, 31 insertions(+), 23 deletions(-) -- 2.51.0