Re: [PATCH 3/4] arm64: mm: drop unused __pa(__idmap_text_start)
From: Mark Rutland <mark.rutland@arm.com>
Date: 2021-05-18 12:21:26
On Tue, May 18, 2021 at 06:14:04PM +0800, Dong Aisheng wrote:
x5 is not used in the following map_memory. Instead, __pa(__idmap_text_start) is stored in x3 which is used later. Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
It might be worth noting that this hasn't been used since commit:
0370b31e48454d8c ("arm64: Extend early page table code to allow for larger kernels")
Either way:
Acked-by: Mark Rutland <mark.rutland@arm.com>
Mark.
quoted hunk ↗ jump to hunk
--- arch/arm64/kernel/head.S | 1 - 1 file changed, 1 deletion(-)diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index b70db34458ec..d266b4c6287d 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S@@ -354,7 +354,6 @@ SYM_FUNC_START_LOCAL(__create_page_tables) #endif 1: ldr_l x4, idmap_ptrs_per_pgd - mov x5, x3 // __pa(__idmap_text_start) adr_l x6, __idmap_text_end // __pa(__idmap_text_end) map_memory x0, x1, x3, x6, x7, x3, x4, x10, x11, x12, x13, x14-- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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