This is a note to let you know that I've just added the patch titled perf/x86/intel/uncore: Fix Add BW copypasta to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-x86-intel-uncore-fix-add-bw-copypasta.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 1a8cfa24e21c2f154791f0cdd85fc28496918722 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@xxxxxxxx> Date: Mon, 26 Oct 2020 22:51:57 +0100 Subject: perf/x86/intel/uncore: Fix Add BW copypasta From: Arnd Bergmann <arnd@xxxxxxxx> commit 1a8cfa24e21c2f154791f0cdd85fc28496918722 upstream. gcc -Wextra points out a duplicate initialization of one array member: arch/x86/events/intel/uncore_snb.c:478:37: warning: initialized field overwritten [-Woverride-init] 478 | [SNB_PCI_UNCORE_IMC_DATA_READS] = { SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE, The only sensible explanation is that a duplicate 'READS' was used instead of the correct 'WRITES', so change it back. Fixes: 24633d901ea4 ("perf/x86/intel/uncore: Add BW counters for GT, IA and IO breakdown") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20201026215203.3893972-1-arnd@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/events/intel/uncore_snb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -459,7 +459,7 @@ enum perf_snb_uncore_imc_freerunning_typ static struct freerunning_counters snb_uncore_imc_freerunning[] = { [SNB_PCI_UNCORE_IMC_DATA_READS] = { SNB_UNCORE_PCI_IMC_DATA_READS_BASE, 0x0, 0x0, 1, 32 }, - [SNB_PCI_UNCORE_IMC_DATA_READS] = { SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE, + [SNB_PCI_UNCORE_IMC_DATA_WRITES] = { SNB_UNCORE_PCI_IMC_DATA_WRITES_BASE, 0x0, 0x0, 1, 32 }, [SNB_PCI_UNCORE_IMC_GT_REQUESTS] = { SNB_UNCORE_PCI_IMC_GT_REQUESTS_BASE, 0x0, 0x0, 1, 32 }, Patches currently in stable-queue which might be from arnd@xxxxxxxx are queue-5.9/perf-x86-intel-uncore-fix-add-bw-copypasta.patch