]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
KVM: PPC: Book3S HV nestedv2: Add DPDES support in helper library for Guest state...
authorGautam Menghani <gautam@linux.ibm.com>
Wed, 5 Jun 2024 11:39:09 +0000 (17:09 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 6 Jun 2024 12:38:10 +0000 (22:38 +1000)
commit55dfb8bed6fe8bda390cc71cca878d11a9407099
treef4de5fe8d2474855b8dce0202cfea2ec9fb303b9
parente1f288d2f9c69bb8965db9fb99a19b58231a00dd
KVM: PPC: Book3S HV nestedv2: Add DPDES support in helper library for Guest state buffer

Add support for using DPDES in the library for using guest state
buffers. DPDES support is needed for enabling usage of doorbells in a L2
KVM on PAPR guest.

Fixes: 6ccbbc33f06a ("KVM: PPC: Add helper library for Guest State Buffers")
Cc: stable@vger.kernel.org # v6.7+
Signed-off-by: Gautam Menghani <gautam@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240605113913.83715-2-gautam@linux.ibm.com
Documentation/arch/powerpc/kvm-nested.rst
arch/powerpc/include/asm/guest-state-buffer.h
arch/powerpc/include/asm/kvm_book3s.h
arch/powerpc/kvm/book3s_hv_nestedv2.c
arch/powerpc/kvm/test-guest-state-buffer.c