diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-11 15:26:52 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-11 15:26:52 -0800 |
commit | f69212114220edf8372867088b97b47760b6839d (patch) | |
tree | 107d6ba8337e6f1ab98075b5579b708b4c0ae83a /lib | |
parent | 5672cdfba4fefd6178b6c4078cb1bb7bf6ce0573 (diff) | |
parent | db0dd9cee82270e032123169ceff659eced5115d (diff) |
Merge tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- set_fs removal
- Devicetree support
- Many cleanups from Al
- Various virtio and build related fixes
* tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (31 commits)
um: virtio_uml: Allow probing from devicetree
um: Add devicetree support
um: Extract load file helper from initrd.c
um: remove set_fs
hostfs: Fix writeback of dirty pages
um: Use swap() to make code cleaner
um: header debriding - sigio.h
um: header debriding - os.h
um: header debriding - net_*.h
um: header debriding - mem_user.h
um: header debriding - activate_ipi()
um: common-offsets.h debriding...
um, x86: bury crypto_tfm_ctx_offset
um: unexport handle_page_fault()
um: remove a dangling extern of syscall_trace()
um: kill unused cpu()
uml/i386: missing include in barrier.h
um: stop polluting the namespace with registers.h contents
logic_io instance of iounmap() needs volatile on argument
um: move amd64 variant of mmap(2) to arch/x86/um/syscalls_64.c
...
Diffstat (limited to 'lib')
-rw-r--r-- | lib/logic_iomem.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/logic_iomem.c b/lib/logic_iomem.c index 9bdfde0c0f86..8c3365f26e51 100644 --- a/lib/logic_iomem.c +++ b/lib/logic_iomem.c @@ -21,15 +21,15 @@ struct logic_iomem_area { #define AREA_SHIFT 24 #define MAX_AREA_SIZE (1 << AREA_SHIFT) -#define MAX_AREAS ((1ULL<<32) / MAX_AREA_SIZE) +#define MAX_AREAS ((1U << 31) / MAX_AREA_SIZE) #define AREA_BITS ((MAX_AREAS - 1) << AREA_SHIFT) #define AREA_MASK (MAX_AREA_SIZE - 1) #ifdef CONFIG_64BIT #define IOREMAP_BIAS 0xDEAD000000000000UL #define IOREMAP_MASK 0xFFFFFFFF00000000UL #else -#define IOREMAP_BIAS 0 -#define IOREMAP_MASK 0 +#define IOREMAP_BIAS 0x80000000UL +#define IOREMAP_MASK 0x80000000UL #endif static DEFINE_MUTEX(regions_mtx); @@ -76,10 +76,10 @@ static void __iomem *real_ioremap(phys_addr_t offset, size_t size) return NULL; } -static void real_iounmap(void __iomem *addr) +static void real_iounmap(volatile void __iomem *addr) { WARN(1, "invalid iounmap for addr 0x%llx\n", - (unsigned long long __force)addr); + (unsigned long long)(uintptr_t __force)addr); } #endif /* CONFIG_LOGIC_IOMEM_FALLBACK */ @@ -149,7 +149,7 @@ get_area(const volatile void __iomem *addr) return NULL; } -void iounmap(void __iomem *addr) +void iounmap(volatile void __iomem *addr) { struct logic_iomem_area *area = get_area(addr); @@ -173,7 +173,7 @@ EXPORT_SYMBOL(iounmap); static u##sz real_raw_read ## op(const volatile void __iomem *addr) \ { \ WARN(1, "Invalid read" #op " at address %llx\n", \ - (unsigned long long __force)addr); \ + (unsigned long long)(uintptr_t __force)addr); \ return (u ## sz)~0ULL; \ } \ \ @@ -181,7 +181,8 @@ static void real_raw_write ## op(u ## sz val, \ volatile void __iomem *addr) \ { \ WARN(1, "Invalid writeq" #op " of 0x%llx at address %llx\n", \ - (unsigned long long)val, (unsigned long long __force)addr);\ + (unsigned long long)val, \ + (unsigned long long)(uintptr_t __force)addr);\ } \ MAKE_FALLBACK(b, 8); @@ -194,14 +195,14 @@ MAKE_FALLBACK(q, 64); static void real_memset_io(volatile void __iomem *addr, int value, size_t size) { WARN(1, "Invalid memset_io at address 0x%llx\n", - (unsigned long long __force)addr); + (unsigned long long)(uintptr_t __force)addr); } static void real_memcpy_fromio(void *buffer, const volatile void __iomem *addr, size_t size) { WARN(1, "Invalid memcpy_fromio at address 0x%llx\n", - (unsigned long long __force)addr); + (unsigned long long)(uintptr_t __force)addr); memset(buffer, 0xff, size); } @@ -210,7 +211,7 @@ static void real_memcpy_toio(volatile void __iomem *addr, const void *buffer, size_t size) { WARN(1, "Invalid memcpy_toio at address 0x%llx\n", - (unsigned long long __force)addr); + (unsigned long long)(uintptr_t __force)addr); } #endif /* CONFIG_LOGIC_IOMEM_FALLBACK */ |