queue-5.15/x86-cpu-amd-update-the-zenbleed-microcode-revisions.patch

   1 From 4f1230a3aa120bf662051b03d3d7ebdb39ece452 Mon Sep 17 00:00:00 2001
   2 From: Sasha Levin <sashal@kernel.org>
   3 Date: Fri, 15 Mar 2024 22:42:27 +0100
   4 Subject: x86/CPU/AMD: Update the Zenbleed microcode revisions
   5
   6 From: Borislav Petkov (AMD) <bp@alien8.de>
   7
   8 [ Upstream commit 5c84b051bd4e777cf37aaff983277e58c99618d5 ]
   9
  10 Update them to the correct revision numbers.
  11
  12 Fixes: 522b1d69219d ("x86/cpu/amd: Add a Zenbleed fix")
  13 Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
  14 Cc: <stable@kernel.org>
  15 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  16 Signed-off-by: Sasha Levin <sashal@kernel.org>
  17 ---
  18  arch/x86/kernel/cpu/amd.c | 10 +++++-----
  19  1 file changed, 5 insertions(+), 5 deletions(-)
  20
  21 diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
  22 index dba7fe7ecea91..9fb890574f36b 100644
  23 --- a/arch/x86/kernel/cpu/amd.c
  24 +++ b/arch/x86/kernel/cpu/amd.c
  25 @@ -1021,11 +1021,11 @@ static bool cpu_has_zenbleed_microcode(void)
  26         u32 good_rev = 0;
  27
  28         switch (boot_cpu_data.x86_model) {
  29 -       case 0x30 ... 0x3f: good_rev = 0x0830107a; break;
  30 -       case 0x60 ... 0x67: good_rev = 0x0860010b; break;
  31 -       case 0x68 ... 0x6f: good_rev = 0x08608105; break;
  32 -       case 0x70 ... 0x7f: good_rev = 0x08701032; break;
  33 -       case 0xa0 ... 0xaf: good_rev = 0x08a00008; break;
  34 +       case 0x30 ... 0x3f: good_rev = 0x0830107b; break;
  35 +       case 0x60 ... 0x67: good_rev = 0x0860010c; break;
  36 +       case 0x68 ... 0x6f: good_rev = 0x08608107; break;
  37 +       case 0x70 ... 0x7f: good_rev = 0x08701033; break;
  38 +       case 0xa0 ... 0xaf: good_rev = 0x08a00009; break;
  39
  40         default:
  41                 return false;
  42 --
  43 2.43.0
  44