On Tue, 18 Oct 2022 00:40:14 PDT (-0700), wangkefeng.w...@huawei.com wrote:
Most architectures(except arm64/x86/sparc) simply return 1 for
kern_addr_valid(), which is only used in read_kcore(), and it
calls copy_from_kernel_nofault() which could check whether the
address is a valid kernel
On Tue, Oct 18, 2022 at 03:40:14PM +0800, Kefeng Wang wrote:
> Most architectures(except arm64/x86/sparc) simply return 1 for
> kern_addr_valid(), which is only used in read_kcore(), and it
> calls copy_from_kernel_nofault() which could check whether the
> address is a valid kernel address, so no
On Tue, Oct 18, 2022 at 3:21 PM Kefeng Wang wrote:
>
> Most architectures(except arm64/x86/sparc) simply return 1 for
> kern_addr_valid(), which is only used in read_kcore(), and it
> calls copy_from_kernel_nofault() which could check whether the
> address is a valid kernel address, so no need
On 2022/10/18 15:40, Kefeng Wang wrote:
Most architectures(except arm64/x86/sparc) simply return 1 for
one space before the opening parens
kern_addr_valid(), which is only used in read_kcore(), and it
calls copy_from_kernel_nofault() which could check whether the
address is a valid kernel
On 10/18/22 09:40, Kefeng Wang wrote:
Most architectures(except arm64/x86/sparc) simply return 1 for
kern_addr_valid(), which is only used in read_kcore(), and it
calls copy_from_kernel_nofault() which could check whether the
address is a valid kernel address, so no need kern_addr_valid(),
let's
Thanks, this is long overdue!
Acked-by: Christoph Hellwig
On Tue, Oct 18, 2022 at 03:40:14PM +0800, Kefeng Wang wrote:
> Most architectures(except arm64/x86/sparc) simply return 1 for
> kern_addr_valid(), which is only used in read_kcore(), and it
> calls copy_from_kernel_nofault() which could check whether the
> address is a valid kernel address, so no
On Tue, Oct 18, 2022 at 9:25 AM Kefeng Wang wrote:
> Most architectures(except arm64/x86/sparc) simply return 1 for
> kern_addr_valid(), which is only used in read_kcore(), and it
> calls copy_from_kernel_nofault() which could check whether the
> address is a valid kernel address, so no need
Most architectures(except arm64/x86/sparc) simply return 1 for
kern_addr_valid(), which is only used in read_kcore(), and it
calls copy_from_kernel_nofault() which could check whether the
address is a valid kernel address, so no need kern_addr_valid(),
let's remove unneeded kern_addr_valid()
Kefeng Wang writes:
> Most architectures(except arm64/x86/sparc) simply return 1 for
> kern_addr_valid(), which is only used in read_kcore(), and it
> calls copy_from_kernel_nofault() which could check whether the
> address is a valid kernel address, so no need kern_addr_valid(),
> let's remove
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