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Commit b8984679 authored by Ian Campbell's avatar Ian Campbell

libxl: do not rely on guest to respond when forcing pci device removal

This is consistent with the expected semantics of a forced device
removal and also avoids a delay when destroying an HVM domain which
either does not support hot unplug (does not respond to SCI) or has
Signed-off-by: default avatarIan Campbell <>
Committed-by: default avatarIan Jackson <>
parent 7a7f60af
......@@ -865,7 +865,7 @@ static int do_pci_remove(libxl__gc *gc, uint32_t domid,
/* Remove all functions at once atomically by only signalling
* device-model for function 0 */
if ( (pcidev->vdevfn & 0x7) == 0 ) {
if ( !force && (pcidev->vdevfn & 0x7) == 0 ) {
xs_write(ctx->xsh, XBT_NULL, path, "pci-rem", strlen("pci-rem"));
if (libxl__wait_for_device_model(ctx, domid, "pci-removed", NULL, NULL) < 0) {
LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "Device Model didn't respond in time");
......@@ -873,8 +873,7 @@ static int do_pci_remove(libxl__gc *gc, uint32_t domid,
* SCI, if it doesn't respond in time then we may wish to
* force the removal.
if ( !force )
return ERROR_FAIL;
return ERROR_FAIL;
path = libxl__sprintf(gc, "/local/domain/0/device-model/%d/state", domid);
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