On Tue, May 03, 2011 at 12:48:09PM -0600, Alex Williamson wrote:
> Required for regions mapped via qemu_ram_alloc_from_ptr(). VFIO
> and ivshmem will make use of this to remove mappings when devices
> are hot unplugged.
>
> Signed-off-by: Alex Williamson <alex.william...@redhat.com>
> ---
>
> Trying to clean out my patch queuer;, I've proposed this twice, Cam
> has proposed this once, it's an obvious missing interface. Please
> apply.
>
> cpu-common.h | 1 +
> exec.c | 13 +++++++++++++
> 2 files changed, 14 insertions(+), 0 deletions(-)
Thanks, applied.
> diff --git a/cpu-common.h b/cpu-common.h
> index 96c02ae..db98b6b 100644
> --- a/cpu-common.h
> +++ b/cpu-common.h
> @@ -50,6 +50,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const
> char *name,
> ram_addr_t size, void *host);
> ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t
> size);
> void qemu_ram_free(ram_addr_t addr);
> +void qemu_ram_free_from_ptr(ram_addr_t addr);
> void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
> /* This should only be used for ram local to a device. */
> void *qemu_get_ram_ptr(ram_addr_t addr);
> diff --git a/exec.c b/exec.c
> index a0678a4..1870ee7 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -2954,6 +2954,19 @@ ram_addr_t qemu_ram_alloc(DeviceState *dev, const char
> *name, ram_addr_t size)
> return qemu_ram_alloc_from_ptr(dev, name, size, NULL);
> }
>
> +void qemu_ram_free_from_ptr(ram_addr_t addr)
> +{
> + RAMBlock *block;
> +
> + QLIST_FOREACH(block, &ram_list.blocks, next) {
> + if (addr == block->offset) {
> + QLIST_REMOVE(block, next);
> + qemu_free(block);
> + return;
> + }
> + }
> +}
> +
> void qemu_ram_free(ram_addr_t addr)
> {
> RAMBlock *block;
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
