diff --git a/linux.patch b/linux.patch
index 82ca0f9..f55b3fe 100644
--- a/linux.patch
+++ b/linux.patch
@@ -348,19 +348,34 @@ index 000000000000..731fed163a83
 +	legacy_pic = &null_legacy_pic;
 +}
 diff --git a/block/partitions/efi.c b/block/partitions/efi.c
-index 75474fb3848e..ff38f20bddc2 100644
+index 75474fb3848e..38acd29520e5 100644
 --- a/block/partitions/efi.c
 +++ b/block/partitions/efi.c
-@@ -90,6 +90,8 @@
+@@ -90,6 +90,9 @@
  #include "check.h"
  #include "efi.h"
  
++#define PS5_M2_PART44_LBA_OFFSET 34224
 +#define PS5_M2_MBR_LBA 65536
 +
  /* This allows a kernel command line option 'gpt' to override
   * the test for invalid PMBR.  Not __initdata because reloading
   * the partition tables happens after init too.
-@@ -143,8 +145,14 @@ static inline int pmbr_part_valid(gpt_mbr_record *part)
+@@ -133,8 +136,13 @@ efi_crc32(const void *buf, unsigned long len)
+  */
+ static u64 last_lba(struct gendisk *disk)
+ {
++#ifdef CONFIG_X86_PS5
++	return div_u64(bdev_nr_bytes(disk->part0),
++		       queue_logical_block_size(disk->queue)) - 1ULL - PS5_M2_PART44_LBA_OFFSET;
++#else
+ 	return div_u64(bdev_nr_bytes(disk->part0),
+ 		       queue_logical_block_size(disk->queue)) - 1ULL;
++#endif
+ }
+ 
+ static inline int pmbr_part_valid(gpt_mbr_record *part)
+@@ -143,8 +151,14 @@ static inline int pmbr_part_valid(gpt_mbr_record *part)
  		goto invalid;
  
  	/* set to 0x00000001 (i.e., the LBA of the GPT Partition Header) */
@@ -375,7 +390,7 @@ index 75474fb3848e..ff38f20bddc2 100644
  
  	return GPT_MBR_PROTECTIVE;
  invalid:
-@@ -599,6 +607,11 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
+@@ -599,6 +613,11 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
  		if (!legacymbr)
  			goto fail;
  
@@ -387,7 +402,7 @@ index 75474fb3848e..ff38f20bddc2 100644
  		read_lba(state, 0, (u8 *)legacymbr, sizeof(*legacymbr));
  		good_pmbr = is_pmbr_valid(legacymbr, total_sectors);
  		kfree(legacymbr);
-@@ -611,6 +624,12 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
+@@ -611,6 +630,12 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
  						"protective" : "hybrid");
  	}