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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2cd7a1c6dc
You currently need four different kernel builds to test the firmware API fully. By adding a proc knob to force disable the fallback mechanism completely we are able to reduce the amount of kernels you need built to test the firmware API down to two. Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/types.h>
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#include <linux/kconfig.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/security.h>
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#include <linux/highmem.h>
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#include <linux/umh.h>
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#include <linux/sysctl.h>
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#include "fallback.h"
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#include "firmware.h"
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/*
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* firmware fallback configuration table
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*/
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/* Module or buit-in */
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#ifdef CONFIG_FW_LOADER_USER_HELPER
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static unsigned int zero;
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static unsigned int one = 1;
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struct firmware_fallback_config fw_fallback_config = {
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.force_sysfs_fallback = IS_ENABLED(CONFIG_FW_LOADER_USER_HELPER_FALLBACK),
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.loading_timeout = 60,
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.old_timeout = 60,
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};
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EXPORT_SYMBOL_GPL(fw_fallback_config);
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struct ctl_table firmware_config_table[] = {
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{
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.procname = "force_sysfs_fallback",
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.data = &fw_fallback_config.force_sysfs_fallback,
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.maxlen = sizeof(unsigned int),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = &zero,
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.extra2 = &one,
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},
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{
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.procname = "ignore_sysfs_fallback",
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.data = &fw_fallback_config.ignore_sysfs_fallback,
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.maxlen = sizeof(unsigned int),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = &zero,
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.extra2 = &one,
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},
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{ }
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};
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EXPORT_SYMBOL_GPL(firmware_config_table);
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#endif
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