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[123.48.16.240]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3d4cbdasm403124315ad.65.2026.01.03.01.46.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 03 Jan 2026 01:46:17 -0800 (PST) From: Naohiko Shimizu To: pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu Cc: alex@ghiti.fr, anup@brainfault.org, atish.patra@linux.dev, daniel.lezcano@linaro.org, tglx@linutronix.de, nick.hu@sifive.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Naohiko Shimizu Subject: [PATCH 3/3] riscv: suspend: Fix stimecmp update hazard on RV32 Date: Sat, 3 Jan 2026 18:45:01 +0900 Message-Id: <20260103094501.5625-4-naohiko.shimizu@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260103094501.5625-1-naohiko.shimizu@gmail.com> References: <20260103094501.5625-1-naohiko.shimizu@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Naohiko Shimizu --- arch/riscv/kernel/suspend.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/suspend.c b/arch/riscv/kernel/suspend.c index 24b3f57d467f..aff93090c4ef 100644 --- a/arch/riscv/kernel/suspend.c +++ b/arch/riscv/kernel/suspend.c @@ -51,10 +51,11 @@ void suspend_restore_csrs(struct suspend_context *conte= xt) =20 #ifdef CONFIG_MMU if (riscv_has_extension_unlikely(RISCV_ISA_EXT_SSTC)) { - csr_write(CSR_STIMECMP, context->stimecmp); #if __riscv_xlen < 64 + csr_write(CSR_STIMECMP, ULONG_MAX); csr_write(CSR_STIMECMPH, context->stimecmph); #endif + csr_write(CSR_STIMECMP, context->stimecmp); } =20 csr_write(CSR_SATP, context->satp); --=20 2.39.5