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powerpc/64: Rearrange 64-bit _switch to prepare for 32/64 merge
authorNicholas Piggin <npiggin@gmail.com>
Tue, 6 Jun 2023 13:24:43 +0000 (23:24 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 14 Jun 2023 02:46:42 +0000 (12:46 +1000)
commit0eb8088b5a7524f96cadfb27083f5bdd819d9d52
treeebd61d7db64ce6057f5bb869f4687bf50ad76930tree | snapshot
parentd6b87c3eb6b2e0b34ba747df549e08768b019fe9commit | diff
powerpc/64: Rearrange 64-bit _switch to prepare for 32/64 merge

More some 64-bit specifics out from the function epilogue and rearrange
this to be a bit neater, use 32-bit mem ops for CR save/restore, and
change some register numbers.

This is preparation to consolidate 32-bit and 64-bit switch code.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230606132447.315714-3-npiggin@gmail.com
arch/powerpc/kernel/entry_64.S diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)