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EDAC/sb_edac: Fix top-of-high-memory value for Broadwell/Haswell
commit537bddd069
upstream. The computation of TOHM is off by one bit. This missed bit results in too low a value for TOHM, which can cause errors in regular memory to incorrectly report: EDAC MC0: 1 CE Error at MMIOH area, on addr 0x000000207fffa680 on any memory Fixes:50d1bb9367
("sb_edac: add support for Haswell based systems") Cc: stable@vger.kernel.org Reported-by: Meeta Saggi <msaggi@purestorage.com> Signed-off-by: Eric Badger <ebadger@purestorage.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Link: https://lore.kernel.org/r/20211010170127.848113-1-ebadger@purestorage.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1021,7 +1021,7 @@ static u64 haswell_get_tohm(struct sbridge_pvt *pvt)
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pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_1, ®);
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rc = ((reg << 6) | rc) << 26;
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return rc | 0x1ffffff;
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return rc | 0x3ffffff;
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}
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static u64 knl_get_tolm(struct sbridge_pvt *pvt)
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