git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-18 03:23:53 -04:00
Code Issues Packages Projects Releases Wiki Activity

firewire: ohci: allocate isoc context header by kvmalloc()

Browse Source 
Isochronous packet handling now runs in a workqueue context, where page
faults is acceptable.

This commit replaces __get_free_page() with kvmalloc() when allocating the
isochronous context header buffer.

Link: https://lore.kernel.org/r/20260117142823.440811-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto
2026-01-17 23:28:19 +09:00
parent 090ac65200
commit fc999c7b68
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/firewire/ohci.c
View File

@@ -2958,7 +2958,7 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
int type, int channel, size_t header_size)
{
struct fw_ohci *ohci = fw_ohci(card);
void *header __free(free_page) = NULL;
void *header __free(kvfree) = NULL;
struct iso_context *ctx;
descriptor_callback_t callback;
u64 *channels;
@@ -3016,7 +3016,7 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
if (type != FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL) {
ctx->sc.header_length = 0;
header = (void *) __get_free_page(GFP_KERNEL);
header = kvmalloc(PAGE_SIZE, GFP_KERNEL);
if (!header) {
ret = -ENOMEM;
goto out;
@@ -3137,7 +3137,7 @@ static void ohci_free_iso_context(struct fw_iso_context *base)
context_release(&ctx->context);
if (base->type != FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL) {
free_page((unsigned long)ctx->sc.header);
kvfree(ctx->sc.header);
ctx->sc.header = NULL;
}