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| author | Ingo Molnar <mingo@kernel.org> | 2020-07-25 21:49:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-07-25 21:49:36 +0200 |
| commit | c84d53051fcb4f3d14d5a245e1d7ee8512bcb199 (patch) | |
| tree | 30f7f845afc8e0428c1fbb1bc93f52b120d40661 /arch/x86/xen/enlighten_pv.c | |
| parent | futex: Remove unused or redundant includes (diff) | |
| parent | Linux 5.8-rc6 (diff) | |
| download | linux-c84d53051fcb4f3d14d5a245e1d7ee8512bcb199.tar.xz linux-c84d53051fcb4f3d14d5a245e1d7ee8512bcb199.zip | |
Merge tag 'v5.8-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/xen/enlighten_pv.c')
| -rw-r--r-- | arch/x86/xen/enlighten_pv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 0d68948c82ad..c46b9f2e732f 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -870,6 +870,17 @@ static void xen_load_sp0(unsigned long sp0) } #ifdef CONFIG_X86_IOPL_IOPERM +static void xen_invalidate_io_bitmap(void) +{ + struct physdev_set_iobitmap iobitmap = { + .bitmap = 0, + .nr_ports = 0, + }; + + native_tss_invalidate_io_bitmap(); + HYPERVISOR_physdev_op(PHYSDEVOP_set_iobitmap, &iobitmap); +} + static void xen_update_io_bitmap(void) { struct physdev_set_iobitmap iobitmap; @@ -1099,6 +1110,7 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .load_sp0 = xen_load_sp0, #ifdef CONFIG_X86_IOPL_IOPERM + .invalidate_io_bitmap = xen_invalidate_io_bitmap, .update_io_bitmap = xen_update_io_bitmap, #endif .io_delay = xen_io_delay, |