search for: libxl__xs_writev

This patch series adds support for preservation of the VM generation ID buffer address in xenstore across save/restore and migrate, and also code to increment the value in all cases except for migration. Patch 1 modifies the guest ro and rw node creation to an open coding style and cleans up some extraneous node creation. Patch 2 modifies creation of the hvmloader key in xenstore and adds

This patch series adds support for preservation of the VM generation ID buffer address in xenstore across save/restore and migrate, and also code to increment the value in all cases except for migration. The first patch modifies creation of the hvmloader key in xenstore and adds creation of a new read/write hvmloader/generation-id-addr key. The second patch changes hvmloader to use the new key (as

...e buggy toolstacks (such as EC2) do not ignore unknown commands properly. Signed-off-by: Olaf Hering <olaf@aepfle.de> diff -r 3a22ed3ec534 -r 2f5a98692acd tools/libxl/libxl_create.c --- a/tools/libxl/libxl_create.c +++ b/tools/libxl/libxl_create.c @@ -434,6 +434,7 @@ retry_transaction: libxl__xs_writev(gc, t, libxl__sprintf(gc, "%s/platform", dom_path), info->platformdata); xs_write(ctx->xsh, t, libxl__sprintf(gc, "%s/control/platform-feature-multiprocessor-suspend", dom_path), "1", 1); + xs_write(ctx->xsh, t, libxl__sprintf(gc, "%s/control/pl...

...e"); + + for(;;) { + rc = libxl__xs_transaction_start(gc, &t); + if (rc) goto out; + + /* Helpfully, mkdir returns 0 on failure, 1 on success */ + rc = libxl__xs_mkdir(gc, t, dev_path, noperm, ARRAY_SIZE(noperm)); + if (!rc) goto out; + + /* And libxl__xs_writev *always* returns 0 no matter what */ + libxl__xs_writev(gc, t, dev_path, + libxl__xs_kvs_of_flexarray(gc, dev, dev->count)); + + rc = libxl__xs_transaction_commit(gc, &t); + if (!rc) break; + if (rc <0) goto out; + } + +out: + retu...