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[XEN v1 1/4] xen/arm: arm32: Move pt_enforce_wxn() so that it can be bundled with other MMU functionality
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Date: Mon, 11 Sep 2023 14:59:39 +0100
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- Cc: <sstabellini@xxxxxxxxxx>, <stefano.stabellini@xxxxxxx>, <julien@xxxxxxx>, <Volodymyr_Babchuk@xxxxxxxx>, <bertrand.marquis@xxxxxxx>, <wei.chen@xxxxxxx>, <penny.zheng@xxxxxxx>, <henry.wang@xxxxxxx>, Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Delivery-date: Mon, 11 Sep 2023 14:00:40 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
pt_enforce_wxn() is moved up (as the previous instruction ie mov_w has
no effect on this). This way it is grouped with other MMU related
functions so that they can be moved together in the subsequent patch.
Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
---
This is based on my comment on
"[PATCH v6 08/13] xen/arm: Fold mmu_init_secondary_cpu() to head.S".
This patch can be ignored if the comment is addressed.
xen/arch/arm/arm32/head.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S
index c7b2efb8f0..057c44a5a2 100644
--- a/xen/arch/arm/arm32/head.S
+++ b/xen/arch/arm/arm32/head.S
@@ -268,12 +268,12 @@ secondary_switched:
dsb
isb
flush_xen_tlb_local r0
+ pt_enforce_wxn r0
#ifdef CONFIG_EARLY_PRINTK
/* Use a virtual address to access the UART. */
mov_w r11, EARLY_UART_VIRTUAL_ADDRESS
#endif
- pt_enforce_wxn r0
PRINT("- Ready -\r\n")
/* Jump to C world */
mov_w r2, start_secondary
--
2.25.1
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