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authorJakub Kicinski <kuba@kernel.org>2025-01-16 10:30:22 -0800
committerJakub Kicinski <kuba@kernel.org>2025-01-16 10:34:59 -0800
commit2ee738e90e80850582cbe10f34c6447965c1d87b (patch)
tree75a5d764d283bfac0648710f1e8c51680ef992fa /arch/riscv/mm/init.c
parentb44e27b4df1a1cd3fd84cf26c82156ed0301575f (diff)
parentce69b4019001407f9cd738dd2ba217b3a8ab831b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.13-rc8). Conflicts: drivers/net/ethernet/realtek/r8169_main.c 1f691a1fc4be ("r8169: remove redundant hwmon support") 152d00a91396 ("r8169: simplify setting hwmon attribute visibility") https://lore.kernel.org/20250115122152.760b4e8d@canb.auug.org.au Adjacent changes: drivers/net/ethernet/broadcom/bnxt/bnxt.c 152f4da05aee ("bnxt_en: add support for rx-copybreak ethtool command") f0aa6a37a3db ("eth: bnxt: always recalculate features after XDP clearing, fix null-deref") drivers/net/ethernet/intel/ice/ice_type.h 50327223a8bb ("ice: add lock to protect low latency interface") dc26548d729e ("ice: Fix quad registers read on E825") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/riscv/mm/init.c')
-rw-r--r--arch/riscv/mm/init.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index fc53ce748c80..8d167e09f1fe 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -33,6 +33,7 @@
#include <asm/pgtable.h>
#include <asm/sections.h>
#include <asm/soc.h>
+#include <asm/sparsemem.h>
#include <asm/tlbflush.h>
#include "../kernel/head.h"
@@ -62,6 +63,13 @@ EXPORT_SYMBOL(pgtable_l5_enabled);
phys_addr_t phys_ram_base __ro_after_init;
EXPORT_SYMBOL(phys_ram_base);
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+#define VMEMMAP_ADDR_ALIGN (1ULL << SECTION_SIZE_BITS)
+
+unsigned long vmemmap_start_pfn __ro_after_init;
+EXPORT_SYMBOL(vmemmap_start_pfn);
+#endif
+
unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
__page_aligned_bss;
EXPORT_SYMBOL(empty_zero_page);
@@ -240,8 +248,12 @@ static void __init setup_bootmem(void)
* Make sure we align the start of the memory on a PMD boundary so that
* at worst, we map the linear mapping with PMD mappings.
*/
- if (!IS_ENABLED(CONFIG_XIP_KERNEL))
+ if (!IS_ENABLED(CONFIG_XIP_KERNEL)) {
phys_ram_base = memblock_start_of_DRAM() & PMD_MASK;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+ vmemmap_start_pfn = round_down(phys_ram_base, VMEMMAP_ADDR_ALIGN) >> PAGE_SHIFT;
+#endif
+ }
/*
* In 64-bit, any use of __va/__pa before this point is wrong as we
@@ -1101,6 +1113,9 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
kernel_map.xiprom_sz = (uintptr_t)(&_exiprom) - (uintptr_t)(&_xiprom);
phys_ram_base = CONFIG_PHYS_RAM_BASE;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+ vmemmap_start_pfn = round_down(phys_ram_base, VMEMMAP_ADDR_ALIGN) >> PAGE_SHIFT;
+#endif
kernel_map.phys_addr = (uintptr_t)CONFIG_PHYS_RAM_BASE;
kernel_map.size = (uintptr_t)(&_end) - (uintptr_t)(&_start);