motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 07:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/ppc/spapr: Enable H_PAGE_INIT in-kernel handling

Browse source 
The H_CALL H_PAGE_INIT can be used to zero or copy a page of guest
memory. Enable the in-kernel H_PAGE_INIT handler.

The in-kernel handler takes half the time to complete compared to
handling the H_CALL in userspace.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Message-Id: <20190306060608.19935-1-sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Suraj Jitindar Singh 2019-03-06 17:06:08 +11:00 • committed by David Gibson
parent e075623aa5
commit 68f9f70841
3 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
target/ppc/kvm.c
View file

@ -2044,6 +2044,11 @@ void kvmppc_enable_clear_ref_mod_hcalls(void)
kvmppc_enable_hcall(kvm_state, H_CLEAR_MOD);
}
void kvmppc_enable_h_page_init(void)
{
kvmppc_enable_hcall(kvm_state, H_PAGE_INIT);
}
void kvmppc_set_papr(PowerPCCPU *cpu)
{
CPUState *cs = CPU(cpu);