linux-kernel - [RFC PATCH 3/3] MIPS: KVM: Remove outdated README

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Message-Id: <20200710063047.154611-4-jiaxun.yang@flygoat.com>
Date:   Fri, 10 Jul 2020 14:30:18 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     linux-mips@...r.kernel.org
Cc:     Jiaxun Yang <jiaxun.yang@...goat.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Paul Burton <paulburton@...nel.org>,
        Alexander Lobakin <alobakin@...me>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
        Huacai Chen <chenhc@...ote.com>,
        Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [RFC PATCH 3/3] MIPS: KVM: Remove outdated README

This file was created long ago and information inside is
obviously outdated.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/kvm/00README.txt | 31 -------------------------------
 1 file changed, 31 deletions(-)
 delete mode 100644 arch/mips/kvm/00README.txt

diff --git a/arch/mips/kvm/00README.txt b/arch/mips/kvm/00README.txt
deleted file mode 100644
index 51617e481aa3..000000000000
--- a/arch/mips/kvm/00README.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-KVM/MIPS Trap & Emulate Release Notes
-=====================================
-
-(1) KVM/MIPS should support MIPS32R2 and beyond. It has been tested on the following platforms:
-    Malta Board with FPGA based 34K
-    Sigma Designs TangoX board with a 24K based 8654 SoC.
-    Malta Board with 74K @ 1GHz
-
-(2) Both Guest kernel and Guest Userspace execute in UM.
-    Guest User address space:   0x00000000 -> 0x40000000
-    Guest Kernel Unmapped:      0x40000000 -> 0x60000000
-    Guest Kernel Mapped:        0x60000000 -> 0x80000000
-
-    Guest Usermode virtual memory is limited to 1GB.
-
-(2) 16K Page Sizes: Both Host Kernel and Guest Kernel should have the same page size, currently at least 16K.
-    Note that due to cache aliasing issues, 4K page sizes are NOT supported.
-
-(3) No HugeTLB Support
-    Both the host kernel and Guest kernel should have the page size set to 16K.
-    This will be implemented in a future release.
-
-(4) KVM/MIPS does not have support for SMP Guests
-    Linux-3.7-rc2 based SMP guest hangs due to the following code sequence in the generated TLB handlers:
-	LL/TLBP/SC.  Since the TLBP instruction causes a trap the reservation gets cleared
-	when we ERET back to the guest. This causes the guest to hang in an infinite loop.
-	This will be fixed in a future release.
-
-(5) Use Host FPU
-    Currently KVM/MIPS emulates a 24K CPU without a FPU.
-    This will be fixed in a future release
-- 
2.27.0