From: Guo Ren <guoren@kernel.org>
To: wangruikang@iscas.ac.cn
Cc: alex@ghiti.fr, gaohan@iscas.ac.cn, guoren@kernel.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
palmer@dabbelt.com, pjw@kernel.org
Subject: Re: Re: [PATCH] riscv: mm: Do not probe satp mode limit if known in FDT
Date: Sat, 25 Apr 2026 06:32:23 +0000 [thread overview]
Message-ID: <20260425063223.3329222-1-guoren@kernel.org> (raw)
In-Reply-To: <0e139862-d41b-4b46-92f6-a1eb5bffc863@iscas.ac.cn>
> Sorry for the trouble, it seems that some miscommunication has occurred.
> While I was able to reproduce this problem in an emulator, I do not have
> access to this hardware and had misunderstood the context and the nature
> of this platform.
I also found this issue in QEMU. It can be easily reproduced with the
following modification:
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index a1c323e66d..8c1d92c8dd 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -100,7 +100,7 @@ static const MemMapEntry virt_memmap[] = {
[VIRT_IMSIC_S] = { 0x28000000, VIRT_IMSIC_MAX_SIZE },
[VIRT_PCIE_ECAM] = { 0x30000000, 0x10000000 },
[VIRT_PCIE_MMIO] = { 0x40000000, 0x40000000 },
- [VIRT_DRAM] = { 0x80000000, 0x0 },
+ [VIRT_DRAM] = { 0x800000000000, 0x0 },
};
Best Regards
GUO Ren
prev parent reply other threads:[~2026-04-25 6:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-24 3:03 [PATCH] riscv: mm: Do not probe satp mode limit if known in FDT Vivian Wang
2026-04-25 2:02 ` Guo Ren
2026-04-25 5:23 ` Vivian Wang
2026-04-25 6:32 ` Guo Ren [this message]
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