mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-24 18:42:29 +03:00
ba2014d367
Implement a bitmap allocator for GPU use. This allocator is useful for managing memory (or resource) regions where the buddy allocator is not ideal. Some instances are small regions or where the resource management must not make calls to the kernel's memory allocation routines (anything that ultimately calls alloc_page()). The code path where this avoidance of alloc_page() is most required is the gpfifo submit path. In order to keep this routine fast and have predicable time constraints no alloc_page() calls is necessary. The buddy allocator does not work for this since every time a buddy is allocated there is the possibility that a pair (or more) buddy structs have to be made. These allocs could perhaps require a call into alloc_page() if there is not enouch space in the kmem_cache slab for the buddy structs. Change-Id: Ia46fce62d4bdafcebbc153b21b515cb51641d241 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/1176446 Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
132 lines
3.2 KiB
Makefile
132 lines
3.2 KiB
Makefile
GCOV_PROFILE := y
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ccflags-y += -Idrivers/gpu/nvgpu
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ccflags-y += -Idrivers/video/tegra/host
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ccflags-y += -Idrivers/devfreq
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ccflags-y += -I../nvgpu/include
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ccflags-y += -I../nvgpu/include/uapi
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ccflags-y += -Wno-multichar
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ccflags-y += -Werror
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ccflags-y += -Wno-error=cpp
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ccflags-y += -Wno-duplicate-decl-specifier
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ifeq ($(CONFIG_ARCH_TEGRA_18x_SOC),y)
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ccflags-y += -I$(srctree)/../nvgpu-t18x/drivers/gpu/nvgpu
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ccflags-y += -I$(srctree)/../nvgpu-t18x/include
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ccflags-y += -I$(srctree)/../nvgpu-t18x/include/uapi
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endif
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ifeq ($(CONFIG_TEGRA_19x_GPU),y)
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ccflags-y += -I$(srctree)/../nvgpu-t19x/drivers/gpu/nvgpu
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ccflags-y += -I$(srctree)/../nvgpu-t19x/include
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ccflags-y += -I$(srctree)/../nvgpu-t19x/include/uapi
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endif
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obj-$(CONFIG_GK20A) := nvgpu.o
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nvgpu-y := \
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gk20a/gk20a.o \
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gk20a/sched_gk20a.o \
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gk20a/as_gk20a.o \
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gk20a/ctrl_gk20a.o \
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gk20a/ce2_gk20a.o \
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gk20a/fifo_gk20a.o \
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gk20a/channel_gk20a.o \
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gk20a/channel_sync_gk20a.o \
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gk20a/debug_gk20a.o \
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gk20a/dbg_gpu_gk20a.o \
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gk20a/regops_gk20a.o \
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gk20a/gr_gk20a.o \
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gk20a/kind_gk20a.o \
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gk20a/mm_gk20a.o \
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gk20a/pmu_gk20a.o \
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gk20a/priv_ring_gk20a.o \
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gk20a/semaphore_gk20a.o \
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gk20a/fence_gk20a.o \
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gk20a/therm_gk20a.o \
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gk20a/gr_ctx_gk20a_sim.o \
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gk20a/gr_ctx_gk20a.o \
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gk20a/gk20a_gating_reglist.o \
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gk20a/gk20a_sysfs.o \
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gk20a/ltc_gk20a.o \
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gk20a/fb_gk20a.o \
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gk20a/hal.o \
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gk20a/hal_gk20a.o \
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gk20a/gk20a_allocator.o \
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gk20a/gk20a_allocator_bitmap.o \
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gk20a/gk20a_allocator_buddy.o \
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gk20a/cde_gk20a.o \
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gk20a/platform_gk20a_generic.o \
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gk20a/tsg_gk20a.o \
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gk20a/ctxsw_trace_gk20a.o \
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gk20a/fecs_trace_gk20a.o \
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gk20a/mc_gk20a.o \
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gm20b/hal_gm20b.o \
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gm20b/ltc_gm20b.o \
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gm20b/ce2_gm20b.o \
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gm20b/gr_gm20b.o \
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gm20b/gr_gm20b.o \
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gm20b/fb_gm20b.o \
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gm20b/fifo_gm20b.o \
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gm20b/gr_ctx_gm20b.o \
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gm20b/gm20b_gating_reglist.o \
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gm20b/acr_gm20b.o \
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gm20b/pmu_gm20b.o \
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gm20b/mm_gm20b.o \
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gm20b/regops_gm20b.o \
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gm20b/mc_gm20b.o \
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gm20b/debug_gm20b.o \
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gm20b/cde_gm20b.o \
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gm20b/therm_gm20b.o \
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gm206/bios_gm206.o \
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gm206/fifo_gm206.o \
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gm206/hal_gm206.o \
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gm206/gr_gm206.o \
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gm206/acr_gm206.o \
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gm206/mm_gm206.o \
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gm206/pmu_gm206.o \
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gm206/ce_gm206.o
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nvgpu-$(CONFIG_TEGRA_GK20A) += gk20a/platform_gk20a_tegra.o
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nvgpu-$(CONFIG_SYNC) += gk20a/sync_gk20a.o
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nvgpu-$(CONFIG_GK20A_PCI) += pci.o
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nvgpu-$(CONFIG_TEGRA_GR_VIRTUALIZATION) += \
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gk20a/platform_vgpu_tegra.o \
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vgpu/ltc_vgpu.o \
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vgpu/gr_vgpu.o \
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vgpu/fifo_vgpu.o \
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vgpu/ce2_vgpu.o \
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vgpu/mm_vgpu.o \
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vgpu/debug_vgpu.o \
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vgpu/vgpu.o \
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vgpu/dbg_vgpu.o \
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vgpu/fecs_trace_vgpu.o \
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vgpu/tsg_vgpu.o \
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vgpu/gk20a/vgpu_hal_gk20a.o \
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vgpu/gk20a/vgpu_gr_gk20a.o \
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vgpu/gm20b/vgpu_hal_gm20b.o \
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vgpu/gm20b/vgpu_gr_gm20b.o
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nvgpu-$(CONFIG_TEGRA_CLK_FRAMEWORK) += \
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gm20b/clk_gm20b.o \
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gk20a/clk_gk20a.o
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nvgpu-$(CONFIG_GK20A_DEVFREQ) += \
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gk20a/gk20a_scale.o
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nvgpu-$(CONFIG_GK20A_CYCLE_STATS) += \
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gk20a/css_gr_gk20a.o
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ifeq ($(CONFIG_ARCH_TEGRA_18x_SOC),y)
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ifneq ($(wildcard $(srctree)/../nvgpu-t18x/drivers/gpu/nvgpu/Makefile),)
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include $(srctree)/../nvgpu-t18x/drivers/gpu/nvgpu/Makefile
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endif
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endif
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ifeq ($(CONFIG_TEGRA_19x_GPU),y)
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ifneq ($(wildcard $(srctree)/../nvgpu-t19x/drivers/gpu/nvgpu/Makefile),)
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include $(srctree)/../nvgpu-t19x/drivers/gpu/nvgpu/Makefile
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endif
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endif
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