mirror of
https://github.com/torvalds/linux.git
synced 2024-11-25 13:41:51 +00:00
58390c8ce1
Including:
- Convert to platform remove callback returning void
- Extend changing default domain to normal group
- Intel VT-d updates:
- Remove VT-d virtual command interface and IOASID
- Allow the VT-d driver to support non-PRI IOPF
- Remove PASID supervisor request support
- Various small and misc cleanups
- ARM SMMU updates:
- Device-tree binding updates:
* Allow Qualcomm GPU SMMUs to accept relevant clock properties
* Document Qualcomm 8550 SoC as implementing an MMU-500
* Favour new "qcom,smmu-500" binding for Adreno SMMUs
- Fix S2CR quirk detection on non-architectural Qualcomm SMMU
implementations
- Acknowledge SMMUv3 PRI queue overflow when consuming events
- Document (in a comment) why ATS is disabled for bypass streams
- AMD IOMMU updates:
- 5-level page-table support
- NUMA awareness for memory allocations
- Unisoc driver: Support for reattaching an existing domain
- Rockchip driver: Add missing set_platform_dma_ops callback
- Mediatek driver: Adjust the dma-ranges
- Various other small fixes and cleanups
-----BEGIN PGP SIGNATURE-----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=OvTo
-----END PGP SIGNATURE-----
Merge tag 'iommu-updates-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Convert to platform remove callback returning void
- Extend changing default domain to normal group
- Intel VT-d updates:
- Remove VT-d virtual command interface and IOASID
- Allow the VT-d driver to support non-PRI IOPF
- Remove PASID supervisor request support
- Various small and misc cleanups
- ARM SMMU updates:
- Device-tree binding updates:
* Allow Qualcomm GPU SMMUs to accept relevant clock properties
* Document Qualcomm 8550 SoC as implementing an MMU-500
* Favour new "qcom,smmu-500" binding for Adreno SMMUs
- Fix S2CR quirk detection on non-architectural Qualcomm SMMU
implementations
- Acknowledge SMMUv3 PRI queue overflow when consuming events
- Document (in a comment) why ATS is disabled for bypass streams
- AMD IOMMU updates:
- 5-level page-table support
- NUMA awareness for memory allocations
- Unisoc driver: Support for reattaching an existing domain
- Rockchip driver: Add missing set_platform_dma_ops callback
- Mediatek driver: Adjust the dma-ranges
- Various other small fixes and cleanups
* tag 'iommu-updates-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (82 commits)
iommu: Remove iommu_group_get_by_id()
iommu: Make iommu_release_device() static
iommu/vt-d: Remove BUG_ON in dmar_insert_dev_scope()
iommu/vt-d: Remove a useless BUG_ON(dev->is_virtfn)
iommu/vt-d: Remove BUG_ON in map/unmap()
iommu/vt-d: Remove BUG_ON when domain->pgd is NULL
iommu/vt-d: Remove BUG_ON in handling iotlb cache invalidation
iommu/vt-d: Remove BUG_ON on checking valid pfn range
iommu/vt-d: Make size of operands same in bitwise operations
iommu/vt-d: Remove PASID supervisor request support
iommu/vt-d: Use non-privileged mode for all PASIDs
iommu/vt-d: Remove extern from function prototypes
iommu/vt-d: Do not use GFP_ATOMIC when not needed
iommu/vt-d: Remove unnecessary checks in iopf disabling path
iommu/vt-d: Move PRI handling to IOPF feature path
iommu/vt-d: Move pfsid and ats_qdep calculation to device probe path
iommu/vt-d: Move iopf code from SVA to IOPF enabling path
iommu/vt-d: Allow SVA with device-specific IOPF
dmaengine: idxd: Add enable/disable device IOPF feature
arm64: dts: mt8186: Add dma-ranges for the parent "soc" node
...
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/mm_types.h>
|
|
#include <linux/maple_tree.h>
|
|
#include <linux/rwsem.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/list.h>
|
|
#include <linux/cpumask.h>
|
|
#include <linux/mman.h>
|
|
#include <linux/pgtable.h>
|
|
|
|
#include <linux/atomic.h>
|
|
#include <linux/user_namespace.h>
|
|
#include <linux/iommu.h>
|
|
#include <asm/mmu.h>
|
|
|
|
#ifndef INIT_MM_CONTEXT
|
|
#define INIT_MM_CONTEXT(name)
|
|
#endif
|
|
|
|
/*
|
|
* For dynamically allocated mm_structs, there is a dynamically sized cpumask
|
|
* at the end of the structure, the size of which depends on the maximum CPU
|
|
* number the system can see. That way we allocate only as much memory for
|
|
* mm_cpumask() as needed for the hundreds, or thousands of processes that
|
|
* a system typically runs.
|
|
*
|
|
* Since there is only one init_mm in the entire system, keep it simple
|
|
* and size this cpu_bitmask to NR_CPUS.
|
|
*/
|
|
struct mm_struct init_mm = {
|
|
.mm_mt = MTREE_INIT_EXT(mm_mt, MM_MT_FLAGS, init_mm.mmap_lock),
|
|
.pgd = swapper_pg_dir,
|
|
.mm_users = ATOMIC_INIT(2),
|
|
.mm_count = ATOMIC_INIT(1),
|
|
.write_protect_seq = SEQCNT_ZERO(init_mm.write_protect_seq),
|
|
MMAP_LOCK_INITIALIZER(init_mm)
|
|
.page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
|
|
.arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock),
|
|
.mmlist = LIST_HEAD_INIT(init_mm.mmlist),
|
|
#ifdef CONFIG_PER_VMA_LOCK
|
|
.mm_lock_seq = 0,
|
|
#endif
|
|
.user_ns = &init_user_ns,
|
|
.cpu_bitmap = CPU_BITS_NONE,
|
|
#ifdef CONFIG_IOMMU_SVA
|
|
.pasid = IOMMU_PASID_INVALID,
|
|
#endif
|
|
INIT_MM_CONTEXT(init_mm)
|
|
};
|
|
|
|
void setup_initial_init_mm(void *start_code, void *end_code,
|
|
void *end_data, void *brk)
|
|
{
|
|
init_mm.start_code = (unsigned long)start_code;
|
|
init_mm.end_code = (unsigned long)end_code;
|
|
init_mm.end_data = (unsigned long)end_data;
|
|
init_mm.brk = (unsigned long)brk;
|
|
}
|