Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
1
fork

Configure Feed

Select the types of activity you want to include in your feed.

cxl: docs - access-coordinates doc fixups

Place the hierarchy diagram in access-coordinates.rst in a code block.

Fix a few grammar issues.

Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20250512162134.3596150-3-gourry@gourry.net
Signed-off-by: Dave Jiang <dave.jiang@intel.com>

authored by

Gregory Price and committed by
Dave Jiang
a3bf6b41 a7706472

+15 -15
+15 -15
Documentation/driver-api/cxl/linux/access-coordinates.rst
··· 26 26 a CXL Host Bridge (HB). There can be multiple HBs under a CXL Fixed Memory 27 27 Window Structure (CFMWS). 28 28 29 - An example hierarchy: 29 + An example hierarchy:: 30 30 31 - > CFMWS 0 32 - > | 33 - > _________|_________ 34 - > | | 35 - > ACPI0017-0 ACPI0017-1 36 - > GP0/HB0/ACPI0016-0 GP1/HB1/ACPI0016-1 37 - > | | | | 38 - > RP0 RP1 RP2 RP3 39 - > | | | | 40 - > SW 0 SW 1 SW 2 SW 3 41 - > | | | | | | | | 42 - > EP0 EP1 EP2 EP3 EP4 EP5 EP6 EP7 31 + CFMWS 0 32 + | 33 + _________|_________ 34 + | | 35 + ACPI0017-0 ACPI0017-1 36 + GP0/HB0/ACPI0016-0 GP1/HB1/ACPI0016-1 37 + | | | | 38 + RP0 RP1 RP2 RP3 39 + | | | | 40 + SW 0 SW 1 SW 2 SW 3 41 + | | | | | | | | 42 + EP0 EP1 EP2 EP3 EP4 EP5 EP6 EP7 43 43 44 44 Computation for the example hierarchy: 45 45 ··· 82 82 also the index for the resulting xarray. 83 83 84 84 The next step is to take the min() of the per host bridge bandwidth and the 85 - bandwidth from the Generic Port (GP). The bandwidths for the GP is retrieved 86 - via ACPI tables SRAT/HMAT. The min bandwidth are aggregated under the same 85 + bandwidth from the Generic Port (GP). The bandwidths for the GP are retrieved 86 + via ACPI tables SRAT/HMAT. The minimum bandwidth are aggregated under the same 87 87 ACPI0017 device to form a new xarray. 88 88 89 89 Finally, the cxl_region_update_bandwidth() is called and the aggregated