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From: Stephen Boyd <swboyd@chromium.org>
To: Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Marc Zyngier <maz@kernel.org>
Subject: [PATCH 2/2] arm64: proton-pack: Update comment to reflect new function name
Date: Tue, 20 Oct 2020 14:45:44 -0700	[thread overview]
Message-ID: <20201020214544.3206838-3-swboyd@chromium.org> (raw)
In-Reply-To: <20201020214544.3206838-1-swboyd@chromium.org>

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@kernel.org>
Fixes: d4647f0a2ad7 ("arm64: Rewrite Spectre-v2 mitigation code")
Signed-off-by: Stephen Boyd <swboyd@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);
-- 
Sent by a computer, using git, on the internet


  parent reply	other threads:[~2020-10-20 21:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20 21:45 [PATCH 0/2] arm64: Fixes for spectre-v2 detection in guest kernels Stephen Boyd
2020-10-20 21:45 ` [PATCH 1/2] arm64: ARM_SMCCC_ARCH_WORKAROUND_1 doesn't return SMCCC_RET_NOT_REQUIRED Stephen Boyd
2020-10-21  7:57   ` Will Deacon
2020-10-21 10:23     ` Marc Zyngier
2020-10-21 12:43       ` Will Deacon
2020-10-21 15:23     ` Stephen Boyd
2020-10-21 15:49       ` Will Deacon
2020-10-21 16:12         ` Stephen Boyd
2020-10-21 21:13           ` Will Deacon
2020-10-21 22:06             ` Stephen Boyd
2020-10-20 21:45 ` Stephen Boyd [this message]
2020-10-21 15:44 ` [PATCH 0/2] arm64: Fixes for spectre-v2 detection in guest kernels Will Deacon

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