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x86/power: Fix kernel-doc warnings in cpu.c

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Fixes the following kernel-doc warnings:

 arch/x86/power/cpu.c:76: warning: Function parameter or
  member 'ctxt' not described in '__save_processor_state'
 arch/x86/power/cpu.c:192: warning: Function parameter or
  member 'ctxt' not described in '__restore_processor_state'

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210618022421.1595596-1-libaokun1@huawei.com
This commit is contained in:
Baokun Li 2021-06-18 10:24:21 +08:00 committed by Borislav Petkov
parent 8ae9e3f638
commit afc880cbb2
1 changed files with 16 additions and 15 deletions
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31
arch/x86/power/cpu.c
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@ -58,19 +58,20 @@ static void msr_restore_context(struct saved_context *ctxt)
}
/**
* __save_processor_state - save CPU registers before creating a
* hibernation image and before restoring the memory state from it
* @ctxt - structure to store the registers contents in
* __save_processor_state() - Save CPU registers before creating a
* hibernation image and before restoring
* the memory state from it
* @ctxt: Structure to store the registers contents in.
*
* NOTE: If there is a CPU register the modification of which by the
* boot kernel (ie. the kernel used for loading the hibernation image)
* might affect the operations of the restored target kernel (ie. the one
* saved in the hibernation image), then its contents must be saved by this
* function. In other words, if kernel A is hibernated and different
* kernel B is used for loading the hibernation image into memory, the
* kernel A's __save_processor_state() function must save all registers
* needed by kernel A, so that it can operate correctly after the resume
* regardless of what kernel B does in the meantime.
* NOTE: If there is a CPU register the modification of which by the
* boot kernel (ie. the kernel used for loading the hibernation image)
* might affect the operations of the restored target kernel (ie. the one
* saved in the hibernation image), then its contents must be saved by this
* function. In other words, if kernel A is hibernated and different
* kernel B is used for loading the hibernation image into memory, the
* kernel A's __save_processor_state() function must save all registers
* needed by kernel A, so that it can operate correctly after the resume
* regardless of what kernel B does in the meantime.
*/
static void __save_processor_state(struct saved_context *ctxt)
{
@ -181,9 +182,9 @@ static void fix_processor_context(void)
}
/**
* __restore_processor_state - restore the contents of CPU registers saved
* by __save_processor_state()
* @ctxt - structure to load the registers contents from
* __restore_processor_state() - Restore the contents of CPU registers saved
* by __save_processor_state()
* @ctxt: Structure to load the registers contents from.
*
* The asm code that gets us here will have restored a usable GDT, although
* it will be pointing to the wrong alias.