diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2022-05-19 12:15:18 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2022-05-20 13:54:48 -0400 |
| commit | a136245957317195bb1aa87040d5ceba05a916b4 (patch) | |
| tree | dcfba18c38e27cc6024560e85b7bbfdee6794b27 | |
| parent | dabb838c82d665b5501413449af51fa69155dfc7 (diff) | |
PCI/P2PDMA: Convert to printbuf
This converts from seq_buf to printbuf. We're using printbuf in external
buffer mode, so it's a direct conversion, aside from some trivial
refactoring in cpu_show_meltdown() to make the code more consistent.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Cc: linux-pci@vger.kernel.org
| -rw-r--r-- | drivers/pci/p2pdma.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 1015274bd2fe..0d5c9933862e 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -17,7 +17,7 @@ #include <linux/memremap.h> #include <linux/percpu-refcount.h> #include <linux/random.h> -#include <linux/seq_buf.h> +#include <linux/printbuf.h> #include <linux/xarray.h> enum pci_p2pdma_map_type { @@ -281,12 +281,9 @@ static int pci_bridge_has_acs_redir(struct pci_dev *pdev) return 0; } -static void seq_buf_print_bus_devfn(struct seq_buf *buf, struct pci_dev *pdev) +static void pr_bus_devfn(struct printbuf *buf, struct pci_dev *pdev) { - if (!buf) - return; - - seq_buf_printf(buf, "%s;", pci_name(pdev)); + pr_buf(buf, "%s;", pci_name(pdev)); } static bool cpu_supports_p2pdma(void) @@ -454,13 +451,11 @@ calc_map_type_and_dist(struct pci_dev *provider, struct pci_dev *client, struct pci_dev *a = provider, *b = client, *bb; bool acs_redirects = false; struct pci_p2pdma *p2pdma; - struct seq_buf acs_list; int acs_cnt = 0; int dist_a = 0; int dist_b = 0; char buf[128]; - - seq_buf_init(&acs_list, buf, sizeof(buf)); + struct printbuf acs_list = PRINTBUF_EXTERN(buf, sizeof(buf)); /* * Note, we don't need to take references to devices returned by @@ -471,7 +466,7 @@ calc_map_type_and_dist(struct pci_dev *provider, struct pci_dev *client, dist_b = 0; if (pci_bridge_has_acs_redir(a)) { - seq_buf_print_bus_devfn(&acs_list, a); + pr_bus_devfn(&acs_list, a); acs_cnt++; } @@ -500,7 +495,7 @@ check_b_path_acs: break; if (pci_bridge_has_acs_redir(bb)) { - seq_buf_print_bus_devfn(&acs_list, bb); + pr_bus_devfn(&acs_list, bb); acs_cnt++; } |