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From: "Wentao Guan" <guanwentao@uniontech.com>
To: "Paul Menzel" <pmenzel@molgen.mpg.de>
Cc: "luiz.dentz" <luiz.dentz@gmail.com>,
	"kiran.k" <kiran.k@intel.com>,
	"vijay.satija" <vijay.satija@intel.com>,
	linux-bluetooth <linux-bluetooth@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	占俊 <zhanjun@uniontech.com>
Subject: Re: [PATCH] Bluetooth: btintel_pcie: Remove duplicate BTINTEL_PCIE_MAGIC_NUM definition
Date: Tue, 12 Aug 2025 15:26:11 +0000	[thread overview]
Message-ID: <tencent_0665526729786E503E775272@qq.com> (raw)
In-Reply-To: <d002d395-6196-4879-905b-24168c691786@molgen.mpg.de>

Dear Paul,

Thanks for you review,

> > PS: I don`t know why not show a gcc redefined warning or error?
> 
> Macros are processed by the preprocessor, and are no variables. But 
> maybe I am wrong.
Right, "If a macro is redefined with a definition that is not effectively 
the same as the old one, the preprocessor issues a warning and 
changes the macro to use the new definition. "
From GCC docs:
https://gcc.gnu.org/onlinedocs/cpp/Undefining-and-Redefining-Macros.html

Best Regards
Wentao Guan

      reply	other threads:[~2025-08-12 15:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-12 12:43 Wentao Guan
2025-08-12 13:56 ` Paul Menzel
2025-08-12 15:26   ` Wentao Guan [this message]

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