[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2 15/23] vixen: pass through version hypercalls to parent Xen
On Sun, Jan 7, 2018 at 4:27 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Sun, Jan 07, 2018 at 12:28:31PM -0800, Anthony Liguori wrote: >> From: Anthony Liguori <aliguori@xxxxxxxxxx> >> >> This is necessary to trigger event channel upcalls but it is also >> useful to passthrough the full version information such that the >> guest believes it is running on the parent Xen. >> >> Signed-off-by: Matt Wilson <msw@xxxxxxxxxx> >> Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx> >> --- >> v1 -> v2 >> - don't pass through version by default >> - introduce vixen_ptver parameter to enable version passthrough. >> --- >> xen/arch/x86/guest/vixen.c | 7 +++ >> xen/common/kernel.c | 89 >> +++++++++++++++++++++++++++++++++------ >> xen/include/asm-arm/guest/vixen.h | 5 +++ >> xen/include/asm-x86/guest/vixen.h | 2 + >> 4 files changed, 91 insertions(+), 12 deletions(-) >> >> diff --git a/xen/arch/x86/guest/vixen.c b/xen/arch/x86/guest/vixen.c >> index a1614e0..7c886a2 100644 >> --- a/xen/arch/x86/guest/vixen.c >> +++ b/xen/arch/x86/guest/vixen.c >> @@ -31,8 +31,10 @@ static int in_vixen; >> static int vixen_domid = 1; >> static uint32_t vixen_reserved_mem_pgstart = 0xfeff0000; >> static shared_info_t *global_si; >> +static bool vixen_ptver; >> >> integer_param("vixen_domid", vixen_domid); >> +boolean_param("vixen_ptver", vixen_ptver); > > Would it make sense to have a custom parameter function that would > be called 'vixen' and have all of those in it? Can you give an example? I'm not sure what you mean. Regards, Anthony Liguori > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxxx > https://lists.xenproject.org/mailman/listinfo/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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