Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757792Ab1BKR5r (ORCPT ); Fri, 11 Feb 2011 12:57:47 -0500 Received: from p3plsmtps2ded01.prod.phx3.secureserver.net ([208.109.80.58]:54678 "HELO p3plsmtps2ded01-01.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1757429Ab1BKR5q (ORCPT ); Fri, 11 Feb 2011 12:57:46 -0500 X-Greylist: delayed 394 seconds by postgrey-1.27 at vger.kernel.org; Fri, 11 Feb 2011 12:57:46 EST From: "K. Y. Srinivasan" To: gregkh@suse.de, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org Cc: "K. Y. Srinivasan" , Hank Janssen Subject: [PATCH 1/3]: Staging: hv: Use native page allocation/free functions Date: Fri, 11 Feb 2011 09:59:00 -0800 Message-Id: <1297447140-21777-1-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.5.5.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6987 Lines: 194 In preperation for getting rid of the osd.[ch] files; change all page allocation/free functions to use native interfaces. Signed-off-by: K. Y. Srinivasan Signed-off-by: Hank Janssen --- drivers/staging/hv/channel.c | 12 +++++++----- drivers/staging/hv/connection.c | 13 ++++++++----- drivers/staging/hv/hv.c | 15 ++++++++++----- drivers/staging/hv/netvsc.c | 14 ++++++++------ 4 files changed, 33 insertions(+), 21 deletions(-) diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c index ba9afda..6c292e6 100644 --- a/drivers/staging/hv/channel.c +++ b/drivers/staging/hv/channel.c @@ -180,8 +180,9 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, newchannel->channel_callback_context = context; /* Allocate the ring buffer */ - out = osd_page_alloc((send_ringbuffer_size + recv_ringbuffer_size) - >> PAGE_SHIFT); + out = (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, + get_order(send_ringbuffer_size + recv_ringbuffer_size)); + if (!out) return -ENOMEM; @@ -300,8 +301,8 @@ Cleanup: errorout: ringbuffer_cleanup(&newchannel->outbound); ringbuffer_cleanup(&newchannel->inbound); - osd_page_free(out, (send_ringbuffer_size + recv_ringbuffer_size) - >> PAGE_SHIFT); + free_pages((unsigned long)out, + get_order(send_ringbuffer_size + recv_ringbuffer_size)); kfree(openInfo); return err; } @@ -686,7 +687,8 @@ void vmbus_close(struct vmbus_channel *channel) ringbuffer_cleanup(&channel->outbound); ringbuffer_cleanup(&channel->inbound); - osd_page_free(channel->ringbuffer_pages, channel->ringbuffer_pagecount); + free_pages((unsigned long)channel->ringbuffer_pages, + get_order(channel->ringbuffer_pagecount * PAGE_SIZE)); kfree(info); diff --git a/drivers/staging/hv/connection.c b/drivers/staging/hv/connection.c index b3ac66e..ed0976a 100644 --- a/drivers/staging/hv/connection.c +++ b/drivers/staging/hv/connection.c @@ -66,7 +66,8 @@ int vmbus_connect(void) * Setup the vmbus event connection for channel interrupt * abstraction stuff */ - vmbus_connection.int_page = osd_page_alloc(1); + vmbus_connection.int_page = + (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); if (vmbus_connection.int_page == NULL) { ret = -1; goto Cleanup; @@ -81,7 +82,8 @@ int vmbus_connect(void) * Setup the monitor notification facility. The 1st page for * parent->child and the 2nd page for child->parent */ - vmbus_connection.monitor_pages = osd_page_alloc(2); + vmbus_connection.monitor_pages = + (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 1); if (vmbus_connection.monitor_pages == NULL) { ret = -1; goto Cleanup; @@ -162,12 +164,12 @@ Cleanup: destroy_workqueue(vmbus_connection.work_queue); if (vmbus_connection.int_page) { - osd_page_free(vmbus_connection.int_page, 1); + free_pages((unsigned long)vmbus_connection.int_page, 0); vmbus_connection.int_page = NULL; } if (vmbus_connection.monitor_pages) { - osd_page_free(vmbus_connection.monitor_pages, 2); + free_pages((unsigned long)vmbus_connection.monitor_pages, 1); vmbus_connection.monitor_pages = NULL; } @@ -203,7 +205,8 @@ int vmbus_disconnect(void) if (ret != 0) goto Cleanup; - osd_page_free(vmbus_connection.int_page, 1); + free_pages((unsigned long)vmbus_connection.int_page, 0); + free_pages((unsigned long)vmbus_connection.monitor_pages, 1); /* TODO: iterate thru the msg list and free up */ destroy_workqueue(vmbus_connection.work_queue); diff --git a/drivers/staging/hv/hv.c b/drivers/staging/hv/hv.c index 021acba..419b4d6 100644 --- a/drivers/staging/hv/hv.c +++ b/drivers/staging/hv/hv.c @@ -230,7 +230,12 @@ int hv_init(void) * Allocate the hypercall page memory * virtaddr = osd_page_alloc(1); */ - virtaddr = osd_virtual_alloc_exec(PAGE_SIZE); +#ifdef __x86_64__ + virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC); +#else + virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, + __pgprot(__PAGE_KERNEL & (~_PAGE_NX))); +#endif if (!virtaddr) { DPRINT_ERR(VMBUS, @@ -462,10 +467,10 @@ void hv_synic_init(void *irqarg) Cleanup: if (hv_context.synic_event_page[cpu]) - osd_page_free(hv_context.synic_event_page[cpu], 1); + free_page((unsigned long)hv_context.synic_event_page[cpu]); if (hv_context.synic_message_page[cpu]) - osd_page_free(hv_context.synic_message_page[cpu], 1); + free_page((unsigned long)hv_context.synic_message_page[cpu]); return; } @@ -502,6 +507,6 @@ void hv_synic_cleanup(void *arg) wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); - osd_page_free(hv_context.synic_message_page[cpu], 1); - osd_page_free(hv_context.synic_event_page[cpu], 1); + free_page((unsigned long)hv_context.synic_message_page[cpu]); + free_page((unsigned long)hv_context.synic_event_page[cpu]); } diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c index 4319363..a271aa7 100644 --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -223,7 +223,8 @@ static int netvsc_init_recv_buf(struct hv_device *device) /* ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE - 1)) == 0); */ net_device->recv_buf = - osd_page_alloc(net_device->recv_buf_size >> PAGE_SHIFT); + (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, + get_order(net_device->recv_buf_size)); if (!net_device->recv_buf) { DPRINT_ERR(NETVSC, "unable to allocate receive buffer of size %d", @@ -360,7 +361,8 @@ static int netvsc_init_send_buf(struct hv_device *device) /* ASSERT((netDevice->SendBufferSize & (PAGE_SIZE - 1)) == 0); */ net_device->send_buf = - osd_page_alloc(net_device->send_buf_size >> PAGE_SHIFT); + (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, + get_order(net_device->send_buf_size)); if (!net_device->send_buf) { DPRINT_ERR(NETVSC, "unable to allocate send buffer of size %d", net_device->send_buf_size); @@ -498,8 +500,8 @@ static int netvsc_destroy_recv_buf(struct netvsc_device *net_device) DPRINT_INFO(NETVSC, "Freeing up receive buffer..."); /* Free up the receive buffer */ - osd_page_free(net_device->recv_buf, - net_device->recv_buf_size >> PAGE_SHIFT); + free_pages((unsigned long)net_device->recv_buf, + get_order(net_device->recv_buf_size)); net_device->recv_buf = NULL; } @@ -574,8 +576,8 @@ static int netvsc_destroy_send_buf(struct netvsc_device *net_device) DPRINT_INFO(NETVSC, "Freeing up send buffer..."); /* Free up the receive buffer */ - osd_page_free(net_device->send_buf, - net_device->send_buf_size >> PAGE_SHIFT); + free_pages((unsigned long)net_device->send_buf, + get_order(net_device->send_buf_size)); net_device->send_buf = NULL; } -- 1.5.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/