diff options
| author | Steve Wahl <steve.wahl@hpe.com> | 2023-05-19 22:07:46 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-05-31 19:34:59 +0300 |
| commit | 8c646cee0ae3c0a19a7d9fdb847c45c729cae945 (patch) | |
| tree | cdd4b0a7876d70fd8a2cc9c4b293a44287993ceb /arch/x86/include/asm/uv | |
| parent | fd27bea340012412a5ad1476b0a40381d7407550 (diff) | |
| download | linux-8c646cee0ae3c0a19a7d9fdb847c45c729cae945.tar.xz | |
x86/platform/uv: Introduce helper function uv_pnode_to_socket.
Add and use uv_pnode_to_socket() function, which parallels other
helper functions in here, and will enable avoiding duplicate code
in an upcoming patch.
Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20230519190752.3297140-3-steve.wahl%40hpe.com
Diffstat (limited to 'arch/x86/include/asm/uv')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index d3e3197917be..0acfd1734c8b 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -519,18 +519,24 @@ static inline int uv_socket_to_node(int socket) return _uv_socket_to_node(socket, uv_hub_info->socket_to_node); } +static inline int uv_pnode_to_socket(int pnode) +{ + unsigned short *p2s = uv_hub_info->pnode_to_socket; + + return p2s ? p2s[pnode - uv_hub_info->min_pnode] : pnode; +} + /* pnode, offset --> socket virtual */ static inline void *uv_pnode_offset_to_vaddr(int pnode, unsigned long offset) { unsigned int m_val = uv_hub_info->m_val; unsigned long base; - unsigned short sockid, node, *p2s; + unsigned short sockid, node; if (m_val) return __va(((unsigned long)pnode << m_val) | offset); - p2s = uv_hub_info->pnode_to_socket; - sockid = p2s ? p2s[pnode - uv_hub_info->min_pnode] : pnode; + sockid = uv_pnode_to_socket(pnode); node = uv_socket_to_node(sockid); /* limit address of previous socket is our base, except node 0 is 0 */ |