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[PATCH v3 5.15.y 0/3] Fix TSA CPUID management in KVM

by Boris Ostrovsky

v3: * Make commit message in patch 2 more verbose v2: * Move kvm_cpu_cap_mask(CPUID_8000_0021_EAX, F(VERW_CLEAR)) to the first patch * Split second patch into two: fix TSA_SQ/L1_NO reporting (new patch) backport of LTS' f3f9deccfc68a6b7c8c1cc51e902edba23d309d4 Backport of AMD's TSA mitigation to 5.15 did not set CPUID bits that are passed to a guest correctly (commit c334ae4a545a "KVM: SVM: Advertise TSA CPUID bits to guests"). Boris Ostrovsky (1): KVM: SVM: Return TSA_SQ_NO and TSA_L1_NO bits in __do_cpuid_func() Borislav Petkov (AMD) (1): KVM: SVM: Set synthesized TSA CPUID flags Kim Phillips (1): KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code arch/x86/kvm/cpuid.c | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) -- 2.43.5

4 months

[PATCH wireless-next v2] wifi: mt76: mt7921u: Add VID/PID for Netgear A7500

by Nick Morrow

Add VID/PID 0846/9065 for Netgear A7500. Reported-by: Autumn Dececco <autumndececco(a)gmail.com> Tested-by: Autumn Dececco <autumndececco(a)gmail.com> Signed-off-by: Nick Morrow <morrownr(a)gmail.com> Cc: stable(a)vger.kernel.org Acked-by: Lorenzo Bianconi <lorenzo(a)kernel.org> --- Changes in v2: - added missing tab in patch --- drivers/net/wireless/mediatek/mt76/mt7921/usb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c index fe9751851ff7..100bdba32ba5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/usb.c @@ -21,6 +21,9 @@ static const struct usb_device_id mt7921u_device_table[] = { /* Netgear, Inc. [A8000,AXE3000] */ { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9060, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, + /* Netgear, Inc. A7500 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9065, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, /* TP-Link TXE50UH */ { USB_DEVICE_AND_INTERFACE_INFO(0x35bc, 0x0107, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM }, -- 2.47.3

4 months

[PATCH v2 0/4 5.10.y] overflow: Allow mixed type arguments in overflow macros

by Eliav Farber

This series backports four commits to bring include/linux/overflow.h in line with v5.15.193: - 2541be80b1a2 ("overflow: Correct check_shl_overflow() comment") - 564e84663d25 ("compiler.h: drop fallback overflow checkers") - 1d1ac8244c22 ("overflow: Allow mixed type arguments") - f96cfe3e05b0 ("tracing: Define the is_signed_type() macro once") The motivation is to fix build failures such as: drivers/net/ethernet/intel/e1000e/ethtool.c: In function ‘e1000_set_eeprom’: ./include/linux/overflow.h:71:15: error: comparison of distinct pointer types lacks a cast [-Werror] 71 | (void) (&__a == __d); \ | ^~ drivers/net/ethernet/intel/e1000e/ethtool.c:582:6: note: in expansion of macro ‘check_add_overflow’ 582 | if (check_add_overflow(eeprom->offset, eeprom->len, &total_len) || | ^~~~~~~~~~~~~~~~~~ This regression was triggered by commit ce8829d3d44b ("e1000e: fix heap overflow in e1000_set_eeprom"). check_add_overflow() requires the first two operands and the result pointer to be of identical type. On 64-bit builds, using size_t for the result conflicted with the u32 fields eeprom->offset and eeprom->len, resulting in type check failures. BarteVan Assche (1): tracing: Define the is_signed_type() macro once Kees Cook (1): overflow: Allow mixed type arguments Keith Busch (1): overflow: Correct check_shl_overflow() comment Nick Desaulniers (1): compiler.h: drop fallback overflow checkers include/linux/compiler-clang.h | 13 -- include/linux/compiler-gcc.h | 4 - include/linux/compiler.h | 6 + include/linux/overflow.h | 209 ++++++----------------------- include/linux/trace_events.h | 2 - tools/include/linux/compiler-gcc.h | 4 - tools/include/linux/overflow.h | 140 +------------------ 7 files changed, 52 insertions(+), 326 deletions(-) --- Changes in v2: - Added missing sign-off in all patches -- 2.47.3

4 months

by Ms Jacq.

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4 months

[PATCH 0/4 5.10.y] overflow: Allow mixed type arguments in overflow macros

by Eliav Farber

4 months

[PATCH] HID: lenovo: Use KEY_PERFORMANCE instead of ACPI's platform_profile

by Janne Grunau

Commit 84c9d2a968c82 ("HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd Fn keys") added a dependency on ACPI's platform_profile. This should not be done for generic USB devices as this prevents using the devices on non ACPI devices like Apple silicon Macs and other non-ACPI arm64 systems. An attempt to allow using platform_profile on non-ACPI systems was rejected in [1] and instead platform_profile was made to fail during init in commit dd133162c9cf ("ACPI: platform_profile: Avoid initializing on non-ACPI platforms"). So remove the broken dependency and instead let's user space handle this keycode by sending the new KEY_PERFORMANCE. Stable backport depends on commit 89c5214639294 ("Input: add keycode for performance mode key"). [1]: https://lore.kernel.org/linux-acpi/CAJZ5v0icRdTSToaKbdf=MdRin4NyB2MstUVaQo8… Cc: regressions(a)lists.linux.dev Cc: stable(a)vger.kernel.org Fixes: 84c9d2a968c82 ("HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd Fn keys") Signed-off-by: Janne Grunau <j(a)jannau.net> --- #regzbot introduced: 84c9d2a968c82 --- drivers/hid/Kconfig | 2 -- drivers/hid/hid-lenovo.c | 4 +--- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index a57901203aeb284acd23be727d2fad0c137c101c..8ae63f8257cd582448e9683ca7fc654c8e465c0f 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -597,8 +597,6 @@ config HID_LED config HID_LENOVO tristate "Lenovo / Thinkpad devices" - depends on ACPI - select ACPI_PLATFORM_PROFILE select NEW_LEDS select LEDS_CLASS help diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index b3121fa7a72d73f2b9ac12f36bc3d87c2649c69b..654879814f97aaf876ac16c00bf9efca22d116f3 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -32,8 +32,6 @@ #include <linux/leds.h> #include <linux/workqueue.h> -#include <linux/platform_profile.h> - #include "hid-ids.h" /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */ @@ -734,7 +732,7 @@ static int lenovo_raw_event_TP_X12_tab(struct hid_device *hdev, u32 raw_data) report_key_event(input, KEY_RFKILL); return 1; } - platform_profile_cycle(); + report_key_event(input, KEY_PERFORMANCE); return 1; case TP_X12_RAW_HOTKEY_FN_F10: /* TAB1 has PICKUP Phone and TAB2 use Snipping tool*/ --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250901-hid-lenovo-drop-platform_profile-d59013f79a59 Best regards, -- Janne Grunau <j(a)jannau.net>

4 months

RE: [PATCH 5.10.y] e1000e: fix EEPROM length types for overflow checks

by Farber, Eliav

> On Wed, Sep 10, 2025 at 05:31:38PM +0000, Eliav Farber wrote: >> Fix a compilation failure when warnings are treated as errors: >> >> drivers/net/ethernet/intel/e1000e/ethtool.c: In function ‘e1000_set_eeprom’: >> ./include/linux/overflow.h:71:15: error: comparison of distinct pointer types lacks a cast [-Werror] >> 71 | (void) (&__a == __d); \ >> | ^~ >> drivers/net/ethernet/intel/e1000e/ethtool.c:582:6: note: in expansion of macro ‘check_add_overflow’ >> 582 | if (check_add_overflow(eeprom->offset, eeprom->len, &total_len) || >> | ^~~~~~~~~~~~~~~~~~ >> >> To fix this, change total_len and max_len from size_t to u32 in >> e1000_set_eeprom(). >> The check_add_overflow() helper requires that the first two operands >> and the pointer to the result (third operand) all have the same type. >> On 64-bit builds, using size_t caused a mismatch with the u32 fields >> eeprom->offset and eeprom->len, leading to type check failures. >> >> Fixes: ce8829d3d44b ("e1000e: fix heap overflow in e1000_set_eeprom") >> Signed-off-by: Eliav Farber <farbere(a)amazon.com> >> --- >> drivers/net/ethernet/intel/e1000e/ethtool.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c >> b/drivers/net/ethernet/intel/e1000e/ethtool.c >> index 4aca854783e2..584378291f3f 100644 >> --- a/drivers/net/ethernet/intel/e1000e/ethtool.c >> +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c >> @@ -559,7 +559,7 @@ static int e1000_set_eeprom(struct net_device >> *netdev, { >> struct e1000_adapter *adapter = netdev_priv(netdev); >> struct e1000_hw *hw = &adapter->hw; >> - size_t total_len, max_len; >> + u32 total_len, max_len; >> u16 *eeprom_buff; >> int ret_val = 0; >> int first_word; >> -- >> 2.47.3 >> > > Why is this not needed in Linus's tree? Kernel 5.10.243 enforces the same type, but this enforcement is absent from 5.15.192 and later: /* * For simplicity and code hygiene, the fallback code below insists on * a, b and *d having the same type (similar to the min() and max() * macros), whereas gcc's type-generic overflow checkers accept * different types. Hence we don't just make check_add_overflow an * alias for __builtin_add_overflow, but add type checks similar to * below. */ #define check_add_overflow(a, b, d) __must_check_overflow(({ \ > Also, why is it not cc: stable(a)vger.kernel.org? Added to cc. --- Regards, Eliav

4 months

[PATCH v3 1/3] mmc: sdhci: Move the code related to setting the clock from sdhci_set_ios_common() into sdhci_set_ios()

by Ben Chuang

From: Ben Chuang <ben.chuang(a)genesyslogic.com.tw> The sdhci_set_clock() is called in sdhci_set_ios_common() and __sdhci_uhs2_set_ios(). According to Section 3.13.2 "Card Interface Detection Sequence" of the SD Host Controller Standard Specification Version 7.00, the SD clock is supplied after power is supplied, so we only need one in __sdhci_uhs2_set_ios(). Let's move the code related to setting the clock from sdhci_set_ios_common() into sdhci_set_ios() and modify the parameters passed to sdhci_set_clock() in __sdhci_uhs2_set_ios(). Fixes: 10c8298a052b ("mmc: sdhci-uhs2: add set_ios()") Cc: stable(a)vger.kernel.org # v6.13+ Signed-off-by: Ben Chuang <ben.chuang(a)genesyslogic.com.tw> --- v3: * use ios->clock instead of host->clock as the parameter of sdhci_set_clcok() in __sdhci_uhs2_set_ios(). * set ios->clock to host->clock after calling sdhci_set_clock() in __sdhci_uhs2_set_ios(). v2: add this patch v1: None --- drivers/mmc/host/sdhci-uhs2.c | 3 ++- drivers/mmc/host/sdhci.c | 34 +++++++++++++++++----------------- 2 files changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c index 0efeb9d0c376..18fb6ee5b96a 100644 --- a/drivers/mmc/host/sdhci-uhs2.c +++ b/drivers/mmc/host/sdhci-uhs2.c @@ -295,7 +295,8 @@ static void __sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) else sdhci_uhs2_set_power(host, ios->power_mode, ios->vdd); - sdhci_set_clock(host, host->clock); + sdhci_set_clock(host, ios->clock); + host->clock = ios->clock; } static int sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 3a17821efa5c..ac7e11f37af7 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2367,23 +2367,6 @@ void sdhci_set_ios_common(struct mmc_host *mmc, struct mmc_ios *ios) (ios->power_mode == MMC_POWER_UP) && !(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN)) sdhci_enable_preset_value(host, false); - - if (!ios->clock || ios->clock != host->clock) { - host->ops->set_clock(host, ios->clock); - host->clock = ios->clock; - - if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK && - host->clock) { - host->timeout_clk = mmc->actual_clock ? - mmc->actual_clock / 1000 : - host->clock / 1000; - mmc->max_busy_timeout = - host->ops->get_max_timeout_count ? - host->ops->get_max_timeout_count(host) : - 1 << 27; - mmc->max_busy_timeout /= host->timeout_clk; - } - } } EXPORT_SYMBOL_GPL(sdhci_set_ios_common); @@ -2410,6 +2393,23 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) sdhci_set_ios_common(mmc, ios); + if (!ios->clock || ios->clock != host->clock) { + host->ops->set_clock(host, ios->clock); + host->clock = ios->clock; + + if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK && + host->clock) { + host->timeout_clk = mmc->actual_clock ? + mmc->actual_clock / 1000 : + host->clock / 1000; + mmc->max_busy_timeout = + host->ops->get_max_timeout_count ? + host->ops->get_max_timeout_count(host) : + 1 << 27; + mmc->max_busy_timeout /= host->timeout_clk; + } + } + if (host->ops->set_power) host->ops->set_power(host, ios->power_mode, ios->vdd); else -- 2.51.0

4 months

URGENT ORDER INQUIRY

by PCB TRADING COMPANY Ltd

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4 months

[PATCH 1/1] nvmem: layouts: fix automatic module loading

by srini＠kernel.org

From: Michael Walle <mwalle(a)kernel.org> To support loading of a layout module automatically the MODALIAS variable in the uevent is needed. Add it. Fixes: fc29fd821d9a ("nvmem: core: Rework layouts to become regular devices") Cc: stable(a)vger.kernel.org Signed-off-by: Michael Walle <mwalle(a)kernel.org> Reviewed-by: Miquel Raynal <miquel.raynal(a)bootlin.com> Signed-off-by: Srinivas Kandagatla <srini(a)kernel.org> --- drivers/nvmem/layouts.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/nvmem/layouts.c b/drivers/nvmem/layouts.c index 65d39e19f6ec..f381ce1e84bd 100644 --- a/drivers/nvmem/layouts.c +++ b/drivers/nvmem/layouts.c @@ -45,11 +45,24 @@ static void nvmem_layout_bus_remove(struct device *dev) return drv->remove(layout); } +static int nvmem_layout_bus_uevent(const struct device *dev, + struct kobj_uevent_env *env) +{ + int ret; + + ret = of_device_uevent_modalias(dev, env); + if (ret != ENODEV) + return ret; + + return 0; +} + static const struct bus_type nvmem_layout_bus_type = { .name = "nvmem-layout", .match = nvmem_layout_bus_match, .probe = nvmem_layout_bus_probe, .remove = nvmem_layout_bus_remove, + .uevent = nvmem_layout_bus_uevent, }; int __nvmem_layout_driver_register(struct nvmem_layout_driver *drv, -- 2.50.0

4 months

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