From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- net/sunrpc/sysctl.c | 180 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 net/sunrpc/sysctl.c (limited to 'net/sunrpc/sysctl.c') diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c new file mode 100644 index 000000000..bdb587a72 --- /dev/null +++ b/net/sunrpc/sysctl.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/net/sunrpc/sysctl.c + * + * Sysctl interface to sunrpc module. + * + * I would prefer to register the sunrpc table below sys/net, but that's + * impossible at the moment. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "netns.h" + +/* + * Declare the debug flags here + */ +unsigned int rpc_debug; +EXPORT_SYMBOL_GPL(rpc_debug); + +unsigned int nfs_debug; +EXPORT_SYMBOL_GPL(nfs_debug); + +unsigned int nfsd_debug; +EXPORT_SYMBOL_GPL(nfsd_debug); + +unsigned int nlm_debug; +EXPORT_SYMBOL_GPL(nlm_debug); + +#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) + +static int proc_do_xprt(const struct ctl_table *table, int write, + void *buffer, size_t *lenp, loff_t *ppos) +{ + char tmpbuf[256]; + ssize_t len; + + if (write || *ppos) { + *lenp = 0; + return 0; + } + len = svc_print_xprts(tmpbuf, sizeof(tmpbuf)); + len = memory_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len); + + if (len < 0) { + *lenp = 0; + return -EINVAL; + } + *lenp = len; + return 0; +} + +static int +proc_dodebug(const struct ctl_table *table, int write, void *buffer, size_t *lenp, + loff_t *ppos) +{ + char tmpbuf[20], *s = NULL; + char *p; + unsigned int value; + size_t left, len; + + if ((*ppos && !write) || !*lenp) { + *lenp = 0; + return 0; + } + + left = *lenp; + + if (write) { + p = buffer; + while (left && isspace(*p)) { + left--; + p++; + } + if (!left) + goto done; + + if (left > sizeof(tmpbuf) - 1) + return -EINVAL; + memcpy(tmpbuf, p, left); + tmpbuf[left] = '\0'; + + value = simple_strtol(tmpbuf, &s, 0); + if (s) { + left -= (s - tmpbuf); + if (left && !isspace(*s)) + return -EINVAL; + while (left && isspace(*s)) { + left--; + s++; + } + } else + left = 0; + *(unsigned int *) table->data = value; + /* Display the RPC tasks on writing to rpc_debug */ + if (strcmp(table->procname, "rpc_debug") == 0) + rpc_show_tasks(&init_net); + } else { + len = sprintf(tmpbuf, "0x%04x", *(unsigned int *) table->data); + if (len > left) + len = left; + memcpy(buffer, tmpbuf, len); + if ((left -= len) > 0) { + *((char *)buffer + len) = '\n'; + left--; + } + } + +done: + *lenp -= left; + *ppos += *lenp; + return 0; +} + +static struct ctl_table_header *sunrpc_table_header; + +static struct ctl_table debug_table[] = { + { + .procname = "rpc_debug", + .data = &rpc_debug, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dodebug + }, + { + .procname = "nfs_debug", + .data = &nfs_debug, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dodebug + }, + { + .procname = "nfsd_debug", + .data = &nfsd_debug, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dodebug + }, + { + .procname = "nlm_debug", + .data = &nlm_debug, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dodebug + }, + { + .procname = "transports", + .maxlen = 256, + .mode = 0444, + .proc_handler = proc_do_xprt, + }, +}; + +void +rpc_register_sysctl(void) +{ + if (!sunrpc_table_header) + sunrpc_table_header = register_sysctl("sunrpc", debug_table); +} + +void +rpc_unregister_sysctl(void) +{ + if (sunrpc_table_header) { + unregister_sysctl_table(sunrpc_table_header); + sunrpc_table_header = NULL; + } +} +#endif -- cgit v1.3.1