diff options
| author | Nischala Yelchuri <[email protected]> | 2023-06-20 11:40:38 -0700 |
|---|---|---|
| committer | Wei Liu <[email protected]> | 2023-06-28 17:53:25 +0000 |
| commit | 55e544e1a922d272b62ec576a3de92329f838ce9 (patch) | |
| tree | 82c8e08726a5bc79d9120af9d84a16cdbbb43d90 /arch/x86/hyperv/ivm.c | |
| parent | a6fe043880820981f6e4918240f967ea79bb063e (diff) | |
x86/hyperv: Improve code for referencing hyperv_pcpu_input_arg
Several places in code for Hyper-V reference the
per-CPU variable hyperv_pcpu_input_arg. Older code uses a multi-line
sequence to reference the variable, and usually includes a cast.
Newer code does a much simpler direct assignment. The latter is
preferable as the complexity of the older code is unnecessary.
Update older code to use the simpler direct assignment.
Signed-off-by: Nischala Yelchuri <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Wei Liu <[email protected]>
Diffstat (limited to 'arch/x86/hyperv/ivm.c')
| -rw-r--r-- | arch/x86/hyperv/ivm.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/hyperv/ivm.c b/arch/x86/hyperv/ivm.c index cc92388b7a99..9b63151bc6cd 100644 --- a/arch/x86/hyperv/ivm.c +++ b/arch/x86/hyperv/ivm.c @@ -246,7 +246,7 @@ EXPORT_SYMBOL_GPL(hv_ghcb_msr_read); static int hv_mark_gpa_visibility(u16 count, const u64 pfn[], enum hv_mem_host_visibility visibility) { - struct hv_gpa_range_for_visibility **input_pcpu, *input; + struct hv_gpa_range_for_visibility *input; u16 pages_processed; u64 hv_status; unsigned long flags; @@ -262,9 +262,8 @@ static int hv_mark_gpa_visibility(u16 count, const u64 pfn[], } local_irq_save(flags); - input_pcpu = (struct hv_gpa_range_for_visibility **) - this_cpu_ptr(hyperv_pcpu_input_arg); - input = *input_pcpu; + input = *this_cpu_ptr(hyperv_pcpu_input_arg); + if (unlikely(!input)) { local_irq_restore(flags); return -EINVAL; |