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virt: tegra: Ensure functions stubs are defined

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When building the out-of-tree drivers with virtualization support
disabled, symbols for some of the virtualization functions are not found
...

 nvgpu: Unknown symbol tegra_hv_mempool_unreserve (err -2)
 nvgpu: Unknown symbol is_tegra_hypervisor_mode (err -2)
 nvgpu: Unknown symbol tegra_hv_mempool_reserve (err -2)
 nvhost_pva: Unknown symbol is_tegra_hypervisor_mode (err -2)
 mc_utils: Unknown symbol is_tegra_hypervisor_mode (err -2)
 mc_utils: Unknown symbol is_tegra_hypervisor_mode (err -2)

Update the hv-ivc.h header to ensure that these function stubs are
defined when virtualization support is disabled and only build the
hv-ivc driver if virtualization is enabled.

Finally, move populating the ccflags to the top-level Makefile and use
the subdir-ccflags directive to ensure the ccflags are passed to all
sub-directories.

Bug 4159372
Bug 4170085

Change-Id: I35edb91007524c3143dff7564f9ad545bd34e969
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2921199
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2023-06-14 11:59:42 +01:00
committed by mobile promotions
parent e3e15a3cb1
commit deffbf24ab
6 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Makefile
View File

@@ -1,8 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
# Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
LINUXINCLUDE += -I$(srctree.nvidia-oot)/include
ifeq ($(CONFIG_TEGRA_VIRTUALIZATION),y)
subdir-ccflags-y += -DCONFIG_TEGRA_VIRTUALIZATION
endif
obj-m += drivers/
ifdef CONFIG_SOUND

4
drivers/misc/nvsciipc/Makefile
View File

@@ -7,8 +7,4 @@
ccflags-y += -I$(PWD)
ifeq ($(CONFIG_TEGRA_VIRTUALIZATION),y)
ccflags-y += -DCONFIG_TEGRA_VIRTUALIZATION
endif
obj-m += nvsciipc.o

6
drivers/video/tegra/nvmap/Makefile
View File

@@ -3,14 +3,10 @@
GCOV_PROFILE := y
subdir-ccflags-y := -Werror
subdir-ccflags-y += -Werror
include $(srctree.nvidia-oot)/drivers/video/tegra/nvmap/Makefile.memory.configs
ifeq ($(CONFIG_TEGRA_VIRTUALIZATION),y)
ccflags-y += -DCONFIG_TEGRA_VIRTUALIZATION
endif
ifeq ($(NVMAP_CONFIG), y)
# Build NvMap only when NVMAP_CONFIG is set to y
nvmap-y := nvmap_core.o \

2
drivers/virt/tegra/Makefile
View File

@@ -10,8 +10,10 @@ LINUX_VERSION_6_2 := $(shell expr 6 \* 256 + 2)
# tegra_hv is currently broken for Linux v6.2 and so skip for Linux v6.2+
ifeq ($(shell test $(LINUX_VERSION) -lt $(LINUX_VERSION_6_2); echo $$?),0)
ifdef CONFIG_TEGRA_VIRTUALIZATION
obj-m += tegra_hv.o
endif
endif
obj-m += tegra_hv_pm_ctl.o
obj-m += hvc_sysfs.o
obj-m += ivc-cdev.o

6
include/soc/tegra/virt/hv-ivc.h
View File

@@ -32,7 +32,7 @@ struct tegra_hv_ivm_cookie {
void *reserved;
};
#if (KERNEL_VERSION(6, 2, 0) > LINUX_VERSION_CODE)
#if (KERNEL_VERSION(6, 2, 0) > LINUX_VERSION_CODE) && defined(CONFIG_TEGRA_VIRTUALIZATION)
bool is_tegra_hypervisor_mode(void);
/**
@@ -451,6 +451,8 @@ static inline struct tegra_ivc *tegra_hv_ivc_convert_cookie(
{
return ERR_PTR(-ENOTSUPP);
};
#endif /* (KERNEL_VERSION(6, 2, 0) > LINUX_VERSION_CODE) */
#endif /* (KERNEL_VERSION(6, 2, 0) > LINUX_VERSION_CODE) &&
* defined(CONFIG_TEGRA_VIRTUALIZATION)
*/
#endif /* __TEGRA_HV_IVC_H */

2
sound/soc/tegra-virt-alt/Makefile
View File

@@ -3,7 +3,7 @@
GCOV_PROFILE := y
subdir-ccflags-y := -Werror
subdir-ccflags-y += -Werror
ccflags-y += -I$(overlay)/$(src)/../tegra-virt-alt/include/
ccflags-y += -I$(overlay)/$(src)/../codecs
ccflags-y += -I$(srctree.nvidia-oot)/sound/soc/tegra-virt-alt/nvaudio_ivc/