From: David Laight <David.Laight@ACULAB.COM>
To: David Laight <David.Laight@ACULAB.COM>,
'Thomas Gleixner' <tglx@linutronix.de>
Cc: 'Fenghua Yu' <fenghua.yu@intel.com>,
'Ingo Molnar' <mingo@redhat.com>,
'Borislav Petkov' <bp@alien8.de>, 'H Peter Anvin' <hpa@zytor.com>,
"'Paolo Bonzini'" <pbonzini@redhat.com>,
'Dave Hansen' <dave.hansen@intel.com>,
'Ashok Raj' <ashok.raj@intel.com>,
'Peter Zijlstra' <peterz@infradead.org>,
'Ravi V Shankar' <ravi.v.shankar@intel.com>,
'Xiaoyao Li ' <xiaoyao.li@intel.com>,
'Christopherson Sean J' <sean.j.christopherson@intel.com>,
'Kalle Valo' <kvalo@codeaurora.org>,
'Michael Chan' <michael.chan@broadcom.com>,
'linux-kernel' <linux-kernel@vger.kernel.org>,
'x86' <x86@kernel.org>,
"'kvm@vger.kernel.org'" <kvm@vger.kernel.org>,
"'netdev@vger.kernel.org'" <netdev@vger.kernel.org>,
"'linux-wireless@vger.kernel.org'"
<linux-wireless@vger.kernel.org>
Subject: RE: [PATCH v7 04/21] x86/split_lock: Align x86_capability to unsigned long to avoid split locked access
Date: Thu, 18 Apr 2019 13:26:15 +0000 [thread overview]
Message-ID: <43db378b84c54908bd2fbf305dd9f8ec@AcuMS.aculab.com> (raw)
In-Reply-To: <aceeddaa107a4aed9add47945acaa129@AcuMS.aculab.com>
From: David Laight
> Sent: 18 April 2019 14:15
...
> Running
> grep -r --include '*.[ch]' '_bit([^(]*, *([^)]* ' .
> over the entire kernel source tree shows quite a few 'dubious' casts.
>
> They'll be doubly dubious on BE systems.
The alternate pattern:
grep -r --include '*.[ch]' '_bit([^(]*, *([^)]*\*)' .
has a few less false positives and detects some extras with (void*)&foo->bar.
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2019-04-18 13:25 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-17 21:33 [PATCH v7 00/21] x86/split_lock: Enable split lock detection Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 01/21] x86/common: Align cpu_caps_cleared and cpu_caps_set to unsigned long Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 02/21] drivers/net/b44: Align pwol_mask to unsigned long for better performance Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 03/21] wlcore: simplify/fix/optimize reg_ch_conf_pending operations Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 04/21] x86/split_lock: Align x86_capability to unsigned long to avoid split locked access Fenghua Yu
2019-04-18 9:20 ` David Laight
2019-04-18 11:08 ` David Laight
2019-04-18 11:49 ` Thomas Gleixner
2019-04-18 13:14 ` David Laight
2019-04-18 13:26 ` David Laight [this message]
2019-04-17 21:33 ` [PATCH v7 05/21] x86/msr-index: Define MSR_IA32_CORE_CAPABILITY and split lock detection bit Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 06/21] x86/cpufeatures: Enumerate MSR_IA32_CORE_CAPABILITY Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 07/21] x86/split_lock: Enumerate split lock detection by MSR_IA32_CORE_CAPABILITY Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 08/21] x86/split_lock: Enumerate split lock detection on Icelake mobile processor Fenghua Yu
2019-04-17 21:33 ` [PATCH v7 09/21] x86/split_lock: Define MSR TEST_CTL register Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 10/21] x86/split_lock: Define per CPU variable to cache MSR TEST_CTL Fenghua Yu
2019-04-17 22:14 ` Thomas Gleixner
2019-04-18 1:28 ` Fenghua Yu
2019-04-18 6:31 ` Thomas Gleixner
2019-04-17 21:34 ` [PATCH v7 11/21] x86/split_lock: Handle #AC exception for split lock Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 12/21] kvm/x86: Emulate MSR IA32_CORE_CAPABILITY Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 13/21] kvm/vmx: Emulate MSR TEST_CTL Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 14/21] x86/split_lock: Enable split lock detection by default Fenghua Yu
2019-04-17 22:41 ` Thomas Gleixner
2019-04-17 21:34 ` [PATCH v7 15/21] x86/split_lock: Add a sysfs interface to enable/disable split lock detection during run time Fenghua Yu
2019-04-17 22:47 ` Thomas Gleixner
2019-04-18 0:57 ` Fenghua Yu
2019-04-18 6:41 ` Thomas Gleixner
2019-04-23 20:48 ` Fenghua Yu
2019-04-24 13:45 ` David Laight
2019-04-17 21:34 ` [PATCH v7 16/21] x86/split_lock: Document the new sysfs file for split lock detection Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 17/21] x86/clearcpuid: Support multiple clearcpuid options Fenghua Yu
2019-04-17 23:05 ` Thomas Gleixner
2019-04-17 21:34 ` [PATCH v7 18/21] x86/clearcpuid: Support feature flag string in kernel option clearcpuid Fenghua Yu
2019-04-17 23:19 ` Thomas Gleixner
2019-04-17 23:47 ` Fenghua Yu
2019-04-18 6:16 ` Thomas Gleixner
2019-04-17 21:34 ` [PATCH v7 19/21] x86/clearcpuid: Apply cleared feature bits that are forced set before Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 20/21] x86/clearcpuid: Clear CPUID bit in CPUID faulting Fenghua Yu
2019-04-17 21:34 ` [PATCH v7 21/21] x86/clearcpuid: Change document for kernel option clearcpuid Fenghua Yu
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