mirror of https://github.com/torvalds/linux.git
640586f8af
gpr_get() does membuf_write() twice to override pt_regs->msr in between. We can call membuf_write() once and change ->msr in the kernel buffer, this simplifies the code and the next fix. The patch adds a new simple helper, membuf_at(offs), it returns the new membuf which can be safely used after membuf_write(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> [mpe: Fixup some minor whitespace issues noticed by Christophe] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201119160221.GA5188@redhat.com |
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| linux | ||
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