From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [PATCH 7/7] acpi, apei, ghes: Factor out ioremap virtual memory for IRQ and NMI context. Date: Wed, 14 May 2014 19:13:21 +0200 Message-ID: <20140514171321.GG5231@pd.tnic> References: <1397056476-9183-1-git-send-email-tomasz.nowicki@linaro.org> <1397056476-9183-8-git-send-email-tomasz.nowicki@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <1397056476-9183-8-git-send-email-tomasz.nowicki@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Tomasz Nowicki Cc: rjw@rjwysocki.net, lenb@kernel.org, tony.luck@intel.com, bp@suse.de, m.chehab@samsung.com, linux-edac@vger.kernel.org, x86@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org List-Id: linux-acpi@vger.kernel.org On Wed, Apr 09, 2014 at 05:14:35PM +0200, Tomasz Nowicki wrote: > @@ -310,6 +310,8 @@ static void ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len, > u64 offset; > u32 trunk; > > + BUG_ON(in_nmi && !IS_ENABLED(CONFIG_ACPI_APEI_NMI)); > + That's a good idea but it should be in the NMI notifier ghes_notify_nmi() instead and simpler: BUG_ON(!IS_ENABLED(CONFIG_ACPI_APEI_NMI)); > while (len > 0) { > offset = paddr - (paddr & PAGE_MASK); > if (in_nmi) { -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --