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| author |  Hou Tao <houtao1@huawei.com>
| 2024-02-02 18:39:33 +0800 |
|---|---|---|
| committer |  Alexei Starovoitov <ast@kernel.org>
| 2024-02-15 19:21:39 -0800 |
| commit | ee0e39a63b78849f8abbef268b13e4838569f646 (patch) | |
| tree | 5b01204d0304762f154f162006b65e5f366fbc6d /arch/x86/mm | |
| parent | bpf, scripts: Correct GPL license name (diff) | |
| download | linux-ee0e39a63b78849f8abbef268b13e4838569f646.tar.gz linux-ee0e39a63b78849f8abbef268b13e4838569f646.tar.bz2 linux-ee0e39a63b78849f8abbef268b13e4838569f646.zip | |
x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h
Move is_vsyscall_vaddr() into asm/vsyscall.h to make it available for
copy_from_kernel_nofault_allowed() in arch/x86/mm/maccess.c.
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20240202103935.3154011-2-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/fault.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 679b09cfe241..d6375b3c633b 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -798,15 +798,6 @@ show_signal_msg(struct pt_regs *regs, unsigned long error_code, show_opcodes(regs, loglvl); } -/* - * The (legacy) vsyscall page is the long page in the kernel portion - * of the address space that has user-accessible permissions. - */ -static bool is_vsyscall_vaddr(unsigned long vaddr) -{ - return unlikely((vaddr & PAGE_MASK) == VSYSCALL_ADDR); -} - static void __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, unsigned long address, u32 pkey, int si_code) |