From 32844a8eecaa4a3e65841c53e43e04a9087d1ef6 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Mon, 12 Sep 2022 23:13:53 +0100 Subject: ARM: 9243/1: riscpc: Unbreak the build MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes the following build error: In file included from ./include/linux/io.h:13, from ./arch/arm/mach-rpc/include/mach/uncompress.h:9, from arch/arm/boot/compressed/misc.c:31: ./arch/arm/include/asm/io.h:85:22: error: conflicting types for ‘__raw_writeb’ 85 | #define __raw_writeb __raw_writeb | ^~~~~~~~~~~~ ./arch/arm/include/asm/io.h:86:20: note: in expansion of macro ‘__raw_writeb’ 86 | static inline void __raw_writeb(u8 val, volatile void __iomem *addr) | ^~~~~~~~~~~~ In file included from arch/arm/boot/compressed/misc.c:26: arch/arm/boot/compressed/misc-ep93xx.h:13:20: note: previous definition of ‘__raw_writeb’ was here 13 | static inline void __raw_writeb(unsigned char value, unsigned int ptr) | ^~~~~~~~~~~~ To: Russell King Cc: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org Fixes: 0361c7e504b1 ("ARM: ep93xx: multiplatform support") Signed-off-by: Bart Van Assche Signed-off-by: Russell King (Oracle) --- arch/arm/boot/compressed/misc.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch') diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index cb2e069dc73f..abfed1aa2baa 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -23,7 +23,9 @@ unsigned int __machine_arch_type; #include #include #include "misc.h" +#ifdef CONFIG_ARCH_EP93XX #include "misc-ep93xx.h" +#endif static void putstr(const char *ptr); -- cgit v1.2.3 From 2ccd19b3ffac07cc7e75a2bd1ed779728bb67197 Mon Sep 17 00:00:00 2001 From: Wang Kefeng Date: Tue, 13 Sep 2022 05:25:51 +0100 Subject: ARM: 9244/1: dump: Fix wrong pg_level in walk_pmd() After ARM supports p4d page tables, the pg_level for note_page() in walk_pmd() should be 4, not 3, fix it. Fixes: 84e6ffb2c49c ("arm: add support for folded p4d page tables") Signed-off-by: Kefeng Wang Signed-off-by: Russell King (Oracle) --- arch/arm/mm/dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index fb688003d156..712da6a81b23 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -346,7 +346,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) addr = start + i * PMD_SIZE; domain = get_domain_name(pmd); if (pmd_none(*pmd) || pmd_large(*pmd) || !pmd_present(*pmd)) - note_page(st, addr, 3, pmd_val(*pmd), domain); + note_page(st, addr, 4, pmd_val(*pmd), domain); else walk_pte(st, pmd, addr, domain); -- cgit v1.2.3 From 14ca1a4690750bb54e1049e49f3140ef48958a6e Mon Sep 17 00:00:00 2001 From: Wang Kefeng Date: Fri, 16 Sep 2022 12:10:49 +0100 Subject: ARM: 9247/1: mm: set readonly for MT_MEMORY_RO with ARM_LPAE MT_MEMORY_RO is introduced by commit 598f0a99fa8a ("ARM: 9210/1: Mark the FDT_FIXED sections as shareable"), which is a readonly memory type for FDT area, but there are some different between ARM_LPAE and non-ARM_LPAE, we need to setup PMD_SECT_AP2 and L_PMD_SECT_RDONLY for MT_MEMORY_RO when ARM_LAPE enabled. non-ARM_LPAE 0xff800000-0xffa00000 2M PGD KERNEL ro NX SHD ARM_LPAE 0xff800000-0xffc00000 4M PMD RW NX SHD ARM_LPAE+fix 0xff800000-0xffc00000 4M PMD ro NX SHD Fixes: 598f0a99fa8a ("ARM: 9210/1: Mark the FDT_FIXED sections as shareable") Signed-off-by: Kefeng Wang Signed-off-by: Russell King (Oracle) --- arch/arm/mm/mmu.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch') diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index a49f0b9c0f75..463fc2a8448f 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -300,7 +300,11 @@ static struct mem_type mem_types[] __ro_after_init = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | L_PTE_XN | L_PTE_RDONLY, .prot_l1 = PMD_TYPE_TABLE, +#ifdef CONFIG_ARM_LPAE + .prot_sect = PMD_TYPE_SECT | L_PMD_SECT_RDONLY | PMD_SECT_AP2, +#else .prot_sect = PMD_TYPE_SECT, +#endif .domain = DOMAIN_KERNEL, }, [MT_ROM] = { -- cgit v1.2.3