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Merge tag 'trace-v5.10-rc6-bootconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

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Pull bootconfig fixes from Steven Rostedt:
 "Have bootconfig size and checksum be little endian

  In case the bootconfig is created on one kind of endian machine, and
  then read on the other kind of endian kernel, the size and checksum
  will be incorrect. Instead, have both the size and checksum always be
  little endian and have the tool and the kernel convert it from little
  endian to or from the host endian"

* tag 'trace-v5.10-rc6-bootconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  docs: bootconfig: Add the endianness of fields
  tools/bootconfig: Store size and checksum in footer as le32
  bootconfig: Load size and checksum in the footer as le32
This commit is contained in:
Linus Torvalds
2020-12-02 12:09:36 -08:00
parent 509a154216 05227490c5
commit 8a02ec8f35
3 changed files with 10 additions and 5 deletions
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4
init/main.c
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@@ -288,8 +288,8 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum)
found:
hdr = (u32 *)(data - 8);
size = hdr[0];
csum = hdr[1];
size = le32_to_cpu(hdr[0]);
csum = le32_to_cpu(hdr[1]);
data = ((void *)hdr) - size;
if ((unsigned long)data < initrd_start) {