linux-kernel - [PATCH v3 01/19] x86/vdso: Fix DWARF generation for getrandom()

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Message-ID: <8e0fdc4c1b30c6040502c6265f455c44d05ea041.1730150953.git.jpoimboe@kernel.org>
Date: Mon, 28 Oct 2024 14:47:48 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org,
	Indu Bhagat <indu.bhagat@...cle.com>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-perf-users@...r.kernel.org,
	Mark Brown <broonie@...nel.org>,
	linux-toolchains@...r.kernel.org,
	Jordan Rome <jordalgo@...a.com>,
	Sam James <sam@...too.org>,
	linux-trace-kernel@...r.kerne.org,
	Andrii Nakryiko <andrii.nakryiko@...il.com>,
	Jens Remus <jremus@...ux.ibm.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Florian Weimer <fweimer@...hat.com>,
	Andy Lutomirski <luto@...nel.org>
Subject: [PATCH v3 01/19] x86/vdso: Fix DWARF generation for getrandom()

Enable DWARF generation for the VDSO implementation of getrandom().

Fixes: 33385150ac45 ("x86: vdso: Wire up getrandom() vDSO implementation")
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 arch/x86/entry/vdso/vgetrandom-chacha.S | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/entry/vdso/vgetrandom-chacha.S b/arch/x86/entry/vdso/vgetrandom-chacha.S
index bcba5639b8ee..cc82da9216fb 100644
--- a/arch/x86/entry/vdso/vgetrandom-chacha.S
+++ b/arch/x86/entry/vdso/vgetrandom-chacha.S
@@ -4,7 +4,7 @@
  */
 
 #include <linux/linkage.h>
-#include <asm/frame.h>
+#include <asm/dwarf2.h>
 
 .section	.rodata, "a"
 .align 16
@@ -22,7 +22,7 @@ CONSTANTS:	.octa 0x6b20657479622d323320646e61707865
  *	rcx: number of 64-byte blocks to write to output
  */
 SYM_FUNC_START(__arch_chacha20_blocks_nostack)
-
+	CFI_STARTPROC
 .set	output,		%rdi
 .set	key,		%rsi
 .set	counter,	%rdx
@@ -175,4 +175,5 @@ SYM_FUNC_START(__arch_chacha20_blocks_nostack)
 	pxor		temp,temp
 
 	ret
+	CFI_ENDPROC
 SYM_FUNC_END(__arch_chacha20_blocks_nostack)
-- 
2.47.0