linux-kernel - [RFT 2/2] Revert "RISC-V: mark hibernation as nonportable"

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Message-ID: <20230802-chef-throng-d9de8b672a49@wendy>
Date:   Wed, 2 Aug 2023 12:12:53 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     <palmer@...belt.com>
CC:     <conor@...nel.org>, <conor.dooley@...rochip.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Atish Patra <atishp@...osinc.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Alexandre Ghiti <alexghiti@...osinc.com>,
        Björn Töpel <bjorn@...osinc.com>,
        Song Shuai <suagrfillet@...il.com>,
        JeeHeng Sia <jeeheng.sia@...rfivetech.com>,
        "Petr Tesarik" <petrtesarik@...weicloud.com>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [RFT 2/2] Revert "RISC-V: mark hibernation as nonportable"

Revert commit ed309ce52218 ("RISC-V: mark hibernation as nonportable")
as the kernel now has a way to handle the "no-map"-less, PMP protected,
reserved memory nodes for the affected versions of OpenSBI.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 arch/riscv/Kconfig | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 4c07b9189c86..47aef21073f9 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -866,11 +866,8 @@ menu "Power management options"
 
 source "kernel/power/Kconfig"
 
-# Hibernation is only possible on systems where the SBI implementation has
-# marked its reserved memory as not accessible from, or does not run
-# from the same memory as, Linux
 config ARCH_HIBERNATION_POSSIBLE
-	def_bool NONPORTABLE
+	def_bool y
 
 config ARCH_HIBERNATION_HEADER
 	def_bool HIBERNATION
-- 
2.40.1