[PATCH 2/2] arm64: proton-pack: Update comment to reflect new function name

Stephen Boyd swboyd at chromium.org
Tue Oct 20 17:45:44 EDT 2020


The function detect_harden_bp_fw() is gone after commit d4647f0a2ad7
("arm64: Rewrite Spectre-v2 mitigation code"). Update this comment to
reflect the new state of affairs.

Cc: Marc Zyngier <maz at kernel.org>
Fixes: d4647f0a2ad7 ("arm64: Rewrite Spectre-v2 mitigation code")
Signed-off-by: Stephen Boyd <swboyd at chromium.org>
---
 arch/arm64/kernel/proton-pack.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index 00bd54f63f4f..106857685145 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -203,8 +203,8 @@ static void install_bp_hardening_cb(bp_hardening_cb_t fn)
 				   __SMCCC_WORKAROUND_1_SMC_SZ;
 
 	/*
-	 * detect_harden_bp_fw() passes NULL for the hyp_vecs start/end if
-	 * we're a guest. Skip the hyp-vectors work.
+	 * Vinz Clortho takes the hyp_vecs start/end "keys" at
+	 * the door when we're a guest. Skip the hyp-vectors work.
 	 */
 	if (!is_hyp_mode_available()) {
 		__this_cpu_write(bp_hardening_data.fn, fn);
-- 
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