unwind_user/x86: Enable frame pointer unwinding on x86

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[ Upstream commit 49cf34c081 ]

Use ARCH_INIT_USER_FP_FRAME to describe how frame pointers are unwound
on x86, and enable CONFIG_HAVE_UNWIND_USER_FP accordingly so the
unwind_user interfaces can be used.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20250827193828.347397433@kernel.org
Stable-dep-of: d55c571e43 ("x86/uprobes: Fix XOL allocation failure for 32-bit tasks")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Josh Poimboeuf 2025-08-27 15:36:45 -04:00 • committed by Sasha Levin

parent 6f553dbbb2

commit b9537a51b6

2 changed files with 26 additions and 0 deletions

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arch/x86/Kconfig

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25

arch/x86/include/asm/unwind_user.h

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