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efi: Update some comments related to smbios tables

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Clarify the operation of this code with some additional comments.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Simon Glass 2018-05-16 09:42:19 -06:00 • committed by Alexander Graf
parent 85b469215f
commit 0864c565a2
3 changed files with 16 additions and 3 deletions
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7
lib/efi_loader/efi_smbios.c
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@ -29,7 +29,12 @@ efi_status_t efi_smbios_register(void)
if (ret != EFI_SUCCESS)
return ret;
/* Generate SMBIOS tables */
/*
* Generate SMBIOS tables - we know that efi_allocate_pages() returns
* a 4k-aligned address, so it is safe to assume that
* write_smbios_table() will write the table at that address.
*/
assert(!(dmi & 0xf));
write_smbios_table(dmi);
/* And expose them to our EFI payload */