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Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove()

From Ingo Molnar <mingo@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove()
Date 2016-04-28 11:10 +0200
Message-ID <rsQ7p-Ft-35@gated-at.bofh.it> (permalink)
References <rsj1L-6xe-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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* Kees Cook <keescook@chromium.org> wrote:

> +void *memcpy(void *dest, const void *src, size_t n)

btw., if there's any doubt about other overlapping uses, we could add this to 
memcpy():

  WARN_ON_ONCE(dest > src && dest-src < n);

or so? Does printk() work so early on?

Thanks,

	Ingo

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[PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Kees Cook <keescook@chromium.org> - 2016-04-26 23:50 +0200
  Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Ingo Molnar <mingo@kernel.org> - 2016-04-28 11:10 +0200
  Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Ingo Molnar <mingo@kernel.org> - 2016-04-28 11:10 +0200
    Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Kees Cook <keescook@chromium.org> - 2016-04-28 11:20 +0200
      Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Ingo Molnar <mingo@kernel.org> - 2016-04-28 11:40 +0200
        Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Kees Cook <keescook@chromium.org> - 2016-04-28 18:10 +0200
        Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Kees Cook <keescook@chromium.org> - 2016-04-28 18:40 +0200
          Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-04-28 18:50 +0200
            Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Kees Cook <keescook@chromium.org> - 2016-04-28 18:50 +0200
              Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove() Ingo Molnar <mingo@kernel.org> - 2016-04-28 19:50 +0200
  [tip:x86/boot] x86/boot: Rename overlapping memcpy() to memmove() tip-bot for Kees Cook <tipbot@zytor.com> - 2016-04-28 12:40 +0200

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