diff mbox series

[v4,11/25] global_data: Add a generic global_data flag for SMP state

Message ID 20200708013446.2600256-11-sjg@chromium.org
State Superseded
Headers show
Series x86: Enhance MTRR functionality to support multiple CPUs | expand

Commit Message

Simon Glass July 8, 2020, 1:34 a.m. UTC
Allow keeping track of whether all CPUs have been enabled yet. This allows
us to know whether other CPUs need to be considered when updating
CPU-specific settings such as MTRRs on x86.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
---

(no changes since v3)

Changes in v3:
- Rename flag to GD_FLG_SMP_READY

 include/asm-generic/global_data.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Bin Meng July 13, 2020, 4:49 a.m. UTC | #1
On Wed, Jul 8, 2020 at 9:37 AM Simon Glass <sjg at chromium.org> wrote:
>
> Allow keeping track of whether all CPUs have been enabled yet. This allows
> us to know whether other CPUs need to be considered when updating
> CPU-specific settings such as MTRRs on x86.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
> ---
>
> (no changes since v3)
>
> Changes in v3:
> - Rename flag to GD_FLG_SMP_READY
>
>  include/asm-generic/global_data.h | 1 +
>  1 file changed, 1 insertion(+)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
diff mbox series

Patch

diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 8c78792cc9..d4a4e2215d 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -167,5 +167,6 @@  typedef struct global_data {
 #define GD_FLG_LOG_READY	0x08000 /* Log system is ready for use	   */
 #define GD_FLG_WDT_READY	0x10000 /* Watchdog is ready for use	   */
 #define GD_FLG_SKIP_LL_INIT	0x20000	/* Don't perform low-level init	   */
+#define GD_FLG_SMP_READY	0x40000	/* SMP init is complete		   */
 
 #endif /* __ASM_GENERIC_GBL_DATA_H */