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plugins: the UPDATE_VMA_MAP callback returns fd with the full control

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It means CRIU has to close it when it is not needed.

It looks more logically correct and matches the behaviour of
the RESTORE_EXT_FILE callback.

Signed-off-by: Andrei Vagin <avagin@gmail.com>
This commit is contained in:
Andrei Vagin
2023-09-28 21:38:45 -07:00
parent 66f39adf12
commit a68975c06d
2 changed files with 10 additions and 5 deletions
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13
plugins/amdgpu/amdgpu_plugin.c
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@@ -1955,10 +1955,15 @@ int amdgpu_plugin_update_vmamap(const char *in_path, const uint64_t addr, const
if (addr == vma_md->vma_entry && old_offset == vma_md->old_pgoff) {
*new_offset = vma_md->new_pgoff;
if (is_renderD)
*updated_fd = vma_md->fd;
else
*updated_fd = -1;
*updated_fd = -1;
if (is_renderD) {
int fd = dup(vma_md->fd);
if (fd == -1) {
pr_perror("unable to duplicate the render fd");
return -1;
}
*updated_fd = fd;
}
plugin_log_msg("old_pgoff=0x%lx new_pgoff=0x%lx fd=%d\n", vma_md->old_pgoff, vma_md->new_pgoff,
*updated_fd);