qemu/hw-loongarch-virt-Remove-unused-assignment.patch

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QEMU update to version 8.2.0-27: - fix compile error on loongarch - hw/loongarch: fix cpu hotplug reset - hw/loongarch/boot: Use warn_report when no kernel filename - hw/loongarch: clean code - hw/loongarch: Add KVM pch msi device support - hw/loongarch: Add KVM pch pic device support - hw/loongarch: Add KVM extioi device support - hw/loongarch: Add KVM IPI device support - hw/loongarch/virt: Update the ACPI table for hotplug cpu - hw/loongarch/virt: Add basic CPU plug support - hw/loongarch/virt: Add CPU topology support - accel/kvm/kvm-all: Fixes the missing break in vCPU unpark logic - gdbstub: Add helper function to unregister GDB register space - physmem: Add helper function to destroy CPU AddressSpace - hw/acpi: Update CPUs AML with cpu-(ctrl)dev change - hw/acpi: Update ACPI GED framework to support vCPU Hotplug - hw/acpi: Move CPU ctrl-dev MMIO region len macro to common header file - accel/kvm: Extract common KVM vCPU {creation,parking} code - target/loongarch: Add steal time support on migration - linux-headers: loongarch: Add kvm_para.h and unistd_64.h - target/loongarch/kvm: Implement LoongArch PMU extension - target/loongarch: Implement lbt registers save/restore function - target/loongarch: Add loongson binary translation feature - sync loongarch linux-headers - target/loongarch: Avoid bits shift exceeding width of bool type - target/loongarch: Use explicit little-endian LD/ST API - target/loongarch: fix -Werror=maybe-uninitialized false-positive - target/loongarch: Support QMP dump-guest-memory - target/loongarch/kvm: Add vCPU reset function - target/loongarch: Add compatible support about VM reboot - target/loongarch: Fix cpu_reset set wrong CSR_CRMD - target/loongarch: Set CSR_PRCFG1 and CSR_PRCFG2 values - target/loongarch: Remove avail_64 in trans_srai_w() and simplify it - target/loongarch/kvm: Add software breakpoint support - target/loongarch: Add loongarch vector property unconditionally - target/loongarch/kvm: Fix VM recovery from disk failures - target/loongarch: Put cpucfg operation before CSR register - target/loongarch: Add TCG macro in structure CPUArchState - hw/arm/virt-acpi-build.c: Migrate SPCR creation to common location - hw/loongarch/virt: Add FDT table support with acpi ged pm register - hw/loongarch/virt: Add description for virt machine type - hw/loongarch: Add acpi SPCR table support - hw/loongarch: virt: pass random seed to fdt - hw/loongarch: virt: support up to 4 serial ports - hw/loongarch: Remove default enable with VIRTIO_VGA device - hw/loongarch: Fix length for lowram in ACPI SRAT - hw/loongarch/virt: Remove unused assignment - hw/loongarch: Change the tpm support by default - hw/loongarch/boot.c: fix out-of-bound reading - hw/loongarch/virt: Use MemTxAttrs interface for misc ops - tests/libqos: Add loongarch virt machine node - hw/loongarch: Remove minimum and default memory size - hw/loongarch: Refine system dram memory region - hw/loongarch: Refine fwcfg memory map - hw/loongarch: Refine fadt memory table for numa memory - hw/loongarch: Refine acpi srat table for numa memory - hw/loongarch: Add VM mode in IOCSR feature register in kvm mode - hw/loongarch: Refine default numa id calculation - hw/loongarch: Rename LoongArchMachineState with LoongArchVirtMachineState - hw/loongarch: Rename LOONGARCH_MACHINE with LOONGARCH_VIRT_MACHINE - hw/loongarch: move memory map to boot.c - loongarch: switch boards to "default y" - hw/loongarch: Add cells missing from rtc node - hw/loongarch: Add cells missing from uart node - hw/loongarch: fdt remove unused irqchip node - hw/loongarch: fdt adds pcie irq_map node - hw/loongarch: fdt adds pch_msi Controller - hw/loongarch: fdt adds pch_pic Controller - hw/loongarch: fdt adds Extend I/O Interrupt Controller - hw/loongarch: fdt adds cpu interrupt controller node - hw/loongarch: Init efi_fdt table - hw/loongarch: Init efi_initrd table - hw/loongarch: Init efi_boot_memmap table - hw/loongarch: Init efi_system_table - hw/loongarch: Add init_cmdline - hw/loongarch: Add slave cpu boot_code - hw/loongarch: Add load initrd - hw/loongarch: Move boot functions to boot.c Signed-off-by: Xianglai Li <lixianglai@loongson.cn> (cherry picked from commit 04ca9e6c8ff19630116722240ae0136cea831c5c)
2024-12-13 19:50:22 +08:00
From 5e0ec61ac98a025124912fc47552550b471ab638 Mon Sep 17 00:00:00 2001
From: Bibo Mao <maobibo@loongson.cn>
Date: Wed, 12 Jun 2024 11:36:37 +0800
Subject: [PATCH 32/78] hw/loongarch/virt: Remove unused assignment
There is abuse usage about local variable gap. Remove
duplicated assignment and solve Coverity reported error.
Resolves: Coverity CID 1546441
Fixes: 3cc451cbce ("hw/loongarch: Refine fwcfg memory map")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240612033637.167787-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
---
hw/loongarch/virt.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 12816c6023..a7283e6755 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -1034,7 +1034,6 @@ static void fw_cfg_add_memory(MachineState *ms)
memmap_add_entry(base, gap, 1);
size -= gap;
base = VIRT_HIGHMEM_BASE;
- gap = ram_size - VIRT_LOWMEM_SIZE;
}
if (size) {
@@ -1047,17 +1046,17 @@ static void fw_cfg_add_memory(MachineState *ms)
}
/* add fw_cfg memory map of other nodes */
- size = ram_size - numa_info[0].node_mem;
- gap = VIRT_LOWMEM_BASE + VIRT_LOWMEM_SIZE;
- if (base < gap && (base + size) > gap) {
+ if (numa_info[0].node_mem < gap && ram_size > gap) {
/*
* memory map for the maining nodes splited into two part
- * lowram: [base, +(gap - base))
- * highram: [VIRT_HIGHMEM_BASE, +(size - (gap - base)))
+ * lowram: [base, +(gap - numa_info[0].node_mem))
+ * highram: [VIRT_HIGHMEM_BASE, +(ram_size - gap))
*/
- memmap_add_entry(base, gap - base, 1);
- size -= gap - base;
+ memmap_add_entry(base, gap - numa_info[0].node_mem, 1);
+ size = ram_size - gap;
base = VIRT_HIGHMEM_BASE;
+ } else {
+ size = ram_size - numa_info[0].node_mem;
}
if (size)
--
2.39.1