Re: [PATCH 09/15] Drivers: hv: Introduce hv_output_arg_exists in hv_common
From: Wei Liu <wei.liu@kernel.org>
Date: 2023-08-03 00:16:50
Also in:
linux-arch, linux-hyperv, lkml
From: Wei Liu <wei.liu@kernel.org>
Date: 2023-08-03 00:16:50
Also in:
linux-arch, linux-hyperv, lkml
On Thu, Jul 27, 2023 at 12:54:44PM -0700, Nuno Das Neves wrote:
This is a more flexible approach for determining whether to allocate the output page.
This will be used in both mshv_vtl and root partition. Signed-off-by: Nuno Das Neves <redacted> --- drivers/hv/hv_common.c | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-)diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c index 99d9b262b8a7..16f069beda78 100644 --- a/drivers/hv/hv_common.c +++ b/drivers/hv/hv_common.c@@ -57,6 +57,18 @@ EXPORT_SYMBOL_GPL(hyperv_pcpu_input_arg); void * __percpu *hyperv_pcpu_output_arg; EXPORT_SYMBOL_GPL(hyperv_pcpu_output_arg); +/* + * Determine whether output arg is in use, for allocation/deallocation + */ +static bool hv_output_arg_exists(void) +{ + bool ret = hv_root_partition ? true : false; +#ifdef CONFIG_MSHV_VTL + ret = true; +#endif
This should not be here. As far as I can tell, CONFIG_MSHV_VTL is introduced in a later patch. The rest looks okay. Thanks, Wei. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel