* FAILED: patch "[PATCH] riscv/mm: Add XIP_FIXUP for riscv_pfn_base" failed to apply to 5.16-stable tree
@ 2022-02-12 9:27 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2022-02-12 9:27 UTC (permalink / raw)
To: palmer, gatecat; +Cc: stable
The patch below does not apply to the 5.16-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From ca0cb9a60f6d86d4b2139c6f393a78f39edcd7cb Mon Sep 17 00:00:00 2001
From: Palmer Dabbelt <palmer@rivosinc.com>
Date: Fri, 4 Feb 2022 13:14:08 -0800
Subject: [PATCH] riscv/mm: Add XIP_FIXUP for riscv_pfn_base
This manifests as a crash early in boot on VexRiscv.
Signed-off-by: Myrtle Shah <gatecat@ds0.me>
[Palmer: split commit]
Fixes: 44c922572952 ("RISC-V: enable XIP")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index eecfacac2cc5..c27294128e18 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -232,6 +232,7 @@ static pmd_t __maybe_unused early_dtb_pmd[PTRS_PER_PMD] __initdata __aligned(PAG
#ifdef CONFIG_XIP_KERNEL
#define pt_ops (*(struct pt_alloc_ops *)XIP_FIXUP(&pt_ops))
+#define riscv_pfn_base (*(unsigned long *)XIP_FIXUP(&riscv_pfn_base))
#define trampoline_pg_dir ((pgd_t *)XIP_FIXUP(trampoline_pg_dir))
#define fixmap_pte ((pte_t *)XIP_FIXUP(fixmap_pte))
#define early_pg_dir ((pgd_t *)XIP_FIXUP(early_pg_dir))
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2022-02-12 9:27 FAILED: patch "[PATCH] riscv/mm: Add XIP_FIXUP for riscv_pfn_base" failed to apply to 5.16-stable tree gregkh
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