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Revert "ANDROID: arm64: stacktrace: export start_backtrace symbol"

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This reverts commit b7ca6bc390.

Upstream has made this symbol static and subsequently reworked the
unwinder logic, so stop exporting start_backtrace() so that we can
backport the rest of the upstream changes.

Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 233587962
Bug: 233588291
Change-Id: I3d64e5ceb2da41db1a47a5f78a412a22e5d75f12
This commit is contained in:
Will Deacon
2022-09-23 16:55:11 +01:00
committed by Quentin Perret
parent 41928e303c
commit 2ef3336f08
1 changed files with 0 additions and 1 deletions
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arch/arm64/kernel/stacktrace.c
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@@ -53,7 +53,6 @@ notrace void start_backtrace(struct stackframe *frame, unsigned long fp,
frame->prev_type = STACK_TYPE_UNKNOWN;
}
NOKPROBE_SYMBOL(start_backtrace);
EXPORT_SYMBOL_GPL(start_backtrace);
/*
* Unwind from one frame record (A) to the next frame record (B).