linux-kernel - arch/x86/kvm/hyperv.c failing to compile: frame size of 1048 bytes is larger than 1024 bytes

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Date:   Fri, 26 Mar 2021 19:18:45 -0700
From:   Logan Devine <bbhclinux@...il.com>
To:     linux-kernel@...r.kernel.org
Subject: arch/x86/kvm/hyperv.c failing to compile: frame size of 1048 bytes is
 larger than 1024 bytes

Compiling the kernel for the second time, and now kvm/hyperv.c is 
failing to build:


   AR      kernel/built-in.a
   CC [M]  arch/x86/kvm/ioapic.o
   CC [M]  arch/x86/kvm/irq_comm.o
   CC [M]  arch/x86/kvm/cpuid.o
   CC [M]  arch/x86/kvm/pmu.o
   CC [M]  arch/x86/kvm/mtrr.o
   CC [M]  arch/x86/kvm/hyperv.o
   CC [M]  arch/x86/kvm/debugfs.o
   CC [M]  arch/x86/kvm/mmu/mmu.o
   CC [M]  arch/x86/kvm/mmu/page_track.o
arch/x86/kvm/hyperv.c: In function ‘kvm_hv_send_ipi.isra’:
arch/x86/kvm/hyperv.c:1799:1: error: the frame size of 1048 bytes is 
larger than 1024 bytes [-Werror=frame-larger-than=]
  1799 | }
       | ^
   CC [M]  arch/x86/kvm/mmu/spte.o
   CC [M]  arch/x86/kvm/mmu/tdp_iter.o
   CC [M]  arch/x86/kvm/mmu/tdp_mmu.o
cc1: all warnings being treated as errors
make[2]: *** [scripts/Makefile.build:271: arch/x86/kvm/hyperv.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:514: arch/x86/kvm] Error 2
make: *** [Makefile:1851: arch/x86] Error 2
   CC [M]  kernel/kheaders.o


(Sorry if I did this wrong, it's my first time on the list.)


I'm on gregkh/staging branch staging-testing.