[linux-6.6.y]LoongArch: KVM: Remove redundant CSR clearing in kvm_set_one_reg

[AaronDot]

The clearing of LOONGARCH_CSR_GINTC and LOONGARCH_CSR_ESTAT in kvm_set_one_reg is redundant, Both commit 97d5e7b ("LoongArch: KVM: Repair the restart pressure test virtual machine hang dead problem") and commit 869523f ("LoongArch: KVM: Fully clear some CSRs when VM reboot") have addressed similar concerns. Remove them to align with the upstream codebase.

Summary by Sourcery

Enhancements:

• Remove redundant clearing of the LoongArch GINTC and ESTAT CSRs during vCPU register reset handling.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Aligns LoongArch KVM vCPU register reset handling with upstream by removing duplicate GINTC and ESTAT clearing already covered by established CSR reset logic.

File-Level Changes

Change	Details	Files
Remove redundant clearing of virtual interrupt/status CSRs during vCPU register reset.	Delete the explicit writes that zero LOONGARCH_CSR_GINTC and LOONGARCH_CSR_ESTAT. Retain reset IPIs and pending/cleared interrupt state initialization; rely on existing CSR reset paths for full CSR cleanup.	arch/loongarch/kvm/vcpu.c

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[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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