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vmm: memory_manager: Use div_ceil()

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--> vmm/src/memory_manager.rs:1972:13
     |
1972 | ...   ((self.start_of_device_area.0 + SGX_PAGE_SIZE - 1) / SGX_PAGE_SIZE) * ...
     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `self.start_of_device_area.0.div_ceil(SGX_PAGE_SIZE)`
     |
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
     = note: `#[warn(clippy::manual_div_ceil)]` on by default

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
This commit is contained in:
Rob Bradford 2024-10-21 11:33:58 +01:00
parent ebfc8df9f0
commit 7a637fe1f4
1 changed files with 2 additions and 3 deletions
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5
vmm/src/memory_manager.rs
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@ -1968,9 +1968,8 @@ impl MemoryManager {
} }
// Place the SGX EPC region on a 4k boundary between the RAM and the device area // Place the SGX EPC region on a 4k boundary between the RAM and the device area
let epc_region_start = GuestAddress( let epc_region_start =
((self.start_of_device_area.0 + SGX_PAGE_SIZE - 1) / SGX_PAGE_SIZE) * SGX_PAGE_SIZE, GuestAddress(self.start_of_device_area.0.div_ceil(SGX_PAGE_SIZE) * SGX_PAGE_SIZE);
);
self.start_of_device_area = epc_region_start self.start_of_device_area = epc_region_start
.checked_add(epc_region_size) .checked_add(epc_region_size)