From: matt@codeblueprint.co.uk (Matt Fleming)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 1/5] efi/runtime-wrappers: detect FW irq flag corruption
Date: Mon, 25 Apr 2016 16:59:22 +0100 [thread overview]
Message-ID: <20160425155922.GC2829@codeblueprint.co.uk> (raw)
In-Reply-To: <20160425142735.GA14974@leverpostej>
On Mon, 25 Apr, at 03:27:35PM, Mark Rutland wrote:
>
> I have no strong preference so long as the code is correct.
>
> Another option is to get rid of the bool entirely:
>
> flags ^= cur_flags;
> if (!WARN_ON(flags & ARCH_EFI_IRQ_FLAGS_MASK))
> return;
OK, let's do the following because we need flags to be preserved for
printing,
---
unsigned long cur_flags, mismatch;
local_save_flags(cur_flags);
mismatch = flags ^ cur_flags;
if (!WARN_ON_ONCE(mismatch & ARCH_EFI_IRQ_FLAGS_MASK))
return;
next prev parent reply other threads:[~2016-04-25 15:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 13:46 [PATCHv3 0/5] efi: detect erroneous firmware IRQ manipulation Mark Rutland
2016-04-25 13:46 ` [PATCHv3 1/5] efi/runtime-wrappers: detect FW irq flag corruption Mark Rutland
2016-04-25 14:12 ` Robin Murphy
2016-04-25 14:15 ` Matt Fleming
2016-04-25 14:18 ` Ard Biesheuvel
2016-04-25 14:24 ` Matt Fleming
2016-04-25 14:27 ` Mark Rutland
2016-04-25 15:59 ` Matt Fleming [this message]
2016-04-25 16:03 ` Mark Rutland
2016-04-25 14:33 ` Robin Murphy
2016-04-25 13:46 ` [PATCHv3 2/5] arm64/efi: enable runtime call flag checking Mark Rutland
2016-04-25 13:54 ` Will Deacon
2016-04-25 13:46 ` [PATCHv3 3/5] arm/efi: " Mark Rutland
2016-04-25 13:46 ` [PATCHv3 4/5] x86/efi: " Mark Rutland
2016-04-25 13:46 ` [PATCHv3 5/5] efi/runtime-wrappers: remove ARCH_EFI_IRQ_FLAGS_MASK ifdef Mark Rutland
2016-04-25 16:03 ` [PATCHv3 0/5] efi: detect erroneous firmware IRQ manipulation Matt Fleming
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