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softmmu/physmem: Fixup qemu_ram_block_from_host() documentation

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Let's fixup the documentation (e.g., removing traces of the ram_addr
parameter that no longer exists) and move it to the header file while at
it.

Message-ID: <20230926185738.277351-4-david@redhat.com>
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand
2023-09-26 20:57:23 +02:00
parent 309ebfa691
commit 022f033bd7
2 changed files with 15 additions and 17 deletions
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17
system/physmem.c
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@ -2221,23 +2221,6 @@ ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host)
return res;
}
/*
* Translates a host ptr back to a RAMBlock, a ram_addr and an offset
* in that RAMBlock.
*
* ptr: Host pointer to look up
* round_offset: If true round the result offset down to a page boundary
* *ram_addr: set to result ram_addr
* *offset: set to result offset within the RAMBlock
*
* Returns: RAMBlock (or NULL if not found)
*
* By the time this function returns, the returned pointer is not protected
* by RCU anymore. If the caller is not within an RCU critical section and
* does not hold the iothread lock, it must have other means of protecting the
* pointer, such as a reference to the region that includes the incoming
* ram_addr_t.
*/
RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
ram_addr_t *offset)
{